EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
02/16/2026
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Official data from USPTO
OMEGA
Did you know this trademark is already registered in United States?
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Active USPTO registrationType: WordOffice: United States
Quick snapshot
OMEGA
ST13
US500000074480756Class
1, 2, 7, 9, 11, 16
Filing
74480756
Registration
2022762
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
55
Latest update
02/18/2026
Trademark type
Word
Nice classes
1, 2, 7, 9, 11, 16
Filing date
01/21/1994
Registration date
12/17/1996
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
08/04/2017
Last transaction
02/18/2026
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
1962-09-00
First use in commerce
1962-09-00
Drawing code
1
Owner type
03
Owner location
Stamford, CT
Examiner
TINGLEY, JOHN
Law office
L20
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
OMEGA ENGINEERING, INC.
Representatives
Mark A. Hagedorn Barnes & Thornburg LLP
Technical classification
Nice Classes
Class 1Class 2Class 7Class 9Class 11Class 16
Vienna Codes
No Vienna codes available.
Goods and services
Class 1
solutionsnamely conductivity solutionsion selective electrode standard solutionspH buffer solutionspH electrode fill solutions; cementsnamely air set cementschemical set cementsepoxy cements
Class 2
coatingsnamely heat transfer and release coatings
Class 7
electric motors for fluid flow pumps
Class 9
adaptorsnamely electrode adaptors; alarmsnamely alarm modulesaudible alarms; ammetersnamely D;C; ammeters; amplifiersnamely thermocouple amplifiers; analyzersnamely ion analyzersloop analyzerswater analyzers; anemometernamely anemometershygro/thermal/anemometers; barometersnamely barometershandheld barometers; temperature controlling bathsnamely circulating bathsconstant temperature bathsfluidized sand bathsheated bathsrefrigerated baths; battery chargers; circuit boardsnamely analog I/O boardsdigital I/O boardsplug-in boardsadapter boardsrelay boards; cablenamely constant wattage heat trace cablemineral insulated heat trace cableself-regulating heat trace cable; calibratorsnamely automatic pH loop calibratorsbenchtop calibratorsblock calibratorsconductivity calibratorsfrequency calibratorshandheld calibratorsloop calibratorsmulti-function calibratorspH calibratorsprocess calibratorsRTD calibratorsthermocouple calibrators; capsulesnamely pH buffer capsules; cardsnamely plug-in cards; cellsnamely conductivity cellsconductivity/resistivity cellsload cells; high temperature cements; checkernamely handheld leak checkers; clampsnamely tube clamps; computersnamely BTU/flow computermass flow/BTU computercomputerscomputer interfacescomputer software; conditionersnamely signal conditioners; connectorsnamely contactorsnamely magnetic contactors; crayonsnamely temperature indicating crayons; controllersnamely analog controllersautotune controllersbatch controllersbenchtop controllersconductivity controllersconductivity/resistivity controllerscryogenic controllersdeviation controllersdigital controllersdual input controllerIEEE-488 controllersindicating controllersindustrial pH controllerslevel and temperature controllerslimit controllersmicroprocessor based conductivity/resistivity controllersmicroprocessor based pH controllersmicroprocessor based pH/ORP controllersmulti-loop controllersnon-indicating controllerspanel mount controllerspH controllerspH/ORP controllerspH pump controllerspower controllersprocess controllersprofile controllersprogrammable logic controllerspulse frequency pH controllersramp and soak controllersresistivity controllersSCR controllersSCR power controllerssetpoint controllerssequencing controllerstemperature controllers; convertersnamely A/D convertersD/A convertersconverters; dataloggersnamely battery poweredhandheld dataloggersintelligent dataloggersportable dataloggersprogrammable dataloggerstemperature dataloggers; detectorsnamely leak detectors; dialersnamely autodialerstelephone dialers; electrodesnamely combination pH electrodesconductivity electrodesepoxy bodied combination pH electrodesglass bodied pH electrodesin-line pH/ORP electrodesindustrial pH/ORP electrodesion selective electrodesISE electrodeslaboratory pH/ORP electrodesmeasuring electrodesORP electrodesoxidation-reduction potential electrodespH electrodespreamplified pH electrodesreference electrodesretractable pH/ORP electrodessubmersible pH/ORP electrodespower control elements laboratory feedthroughsnamely hermetic feedthroughsvacuum feedthroughslaboratory feedthroughsnamely compression fittingstube fittings; flowmetersnamely in-line flowmetersmagnetic flowmetersmass flowmeters/controllersultrasonic flowmeters; gagesnamely dial gageshandheld force gagesstrain gages; hygrometersnamely digital thermal hygrometers; indicatorsnamely analog indicatorsanalog input indicatorsanalog/frequency input indicatorsflow/total/batch control indicatorsfrequency input indicatorshumidity and recorder indicatorsloop indicatorsloop powered indicatorsmini indicatorsmodular indicators/controllers/transmittersmotor rotation indicatorsphase sequence indicatorspH indicatorsRTD indicatorstemperature indicatorsthermistor indicators; interfaces; isolatorsnamely loop isolatorsloop powered isolators; junction boxesnamely load cell summing junction boxes; labelsnamely liquid crystal labelstemperature labels; lacquersnamely temperature indicating lacquers; loggersnamely power loggers; manometersnamely handheld manometers; metersnamely AC/DC metersAC clamp metersair velocity metersanalog metersbenchtop metersbenchtop conductivity metersbenchtop pH metersbenchtop dissolved oxygen metersconductivity metersconductivity/TDS meterscurrent metersdatalogging pH/MV metersDC volt metersdewpoint metersdigital metersdissolved oxygen metersflow metersfrequency metershandheld metershandheld dissolved oxygen metershandheld conductivity metershandheld strain gage metershandheld humidity meterspanel instrumentation meterslaboratory conductivity meterslarge display metersload metersloop powered metersload cell metersmicrovolt metersminiature metersOHM meterspanel meterspanel mounted meterspH meterspH/MV meterspH/KV/ISE meterspH/ORP meterspotentiometersportable conductivity metersportable dissolved oxygen metersportable pH metersportable pressure meterspositive displacement meterspressure metersprocess metersprocess instrumentation metersprogrammable process metersquadrature metersrate metersreference point metersrelative humidity metersRDT metersstrain-gauge meterssolar powered metersstrain meterstemperature meterssquare root meterstemperature meters using infrared technologythermistor metersthermocouple RTD metersthermocouple meterstrue-RMS (root mean square) metersturbine metersvoltage metersplastic vortex metersharsh environment vortex meterswater meterswatertight pH meters; mixersnamely bung-entering mixersstatic mixers; modemsnamely short haul modems; modulesnamely intelligent control modulesisolation modulesloop isolator modulesproportional firing modulespulse control modulessolid state I/O modules; monitorsnamely conductivity monitorsdewpoint monitorsenvironmental monitorshandheld pressure monitorshandheld temperature monitorpower line monitors; multimetersnamely digital multimetershandheld multimetermulti-functional multimetersmultimeters/thermometers; panelsnamely power control panels; papersnamely pH indicating papers; pelletsnamely temperature indicating pellets; plotters; printersnamely panel-mount printers; probesnamely conductivity probes; profilernamely temperature profiler; psychrometersnamely sling psychrometers; pumpsnamely carboy drum pumpscentrifugal pumpschemical dosing pumpschemical metering pumpsdiaphragm metering pumpsdrum pumpselectronic metering pumpsgear pumpshand pumpslarge capacity metering pumpsmicroprocessor based chemical metering pumpslow flow metering pumpsmagnetic drive centrifugal pumpsperistaltic pumpsrubber impeller pumps; pyrometersnamely infrared radiation pyrometers; receiversnamely process receivers; recordersnamely analog recordersbattery powered recordersbenchtop recorderscircular recorderscompact recordersdistributed process recordersevent recordersflatbed recordersfunction recordershybrid recordersindicating recordersink jet recordersmicroprocessor recorderspaperless recorderspH recordersportable recordersprogrammable recorderstemperature recordersthermal recordersthermal-array recorderstransient recorderstrend recordersvertical recordersX-Y recorders; relaysnamely intrinsic safety relaysmechanical relayspower switching relayssolid state relayspump up/pump down relays; rotametersnamely acrylic rotametersgas proportioning rotametersindustrial rotameterslaboratory rotametersmultiple tube rotameters; purge rotameters; scannersnamely process scannerstemperature scanners; sealsnamely diaphragm pressure seals; sensorsnamely conductivity sensorsconductivity/resistivity sensorsdisplacement sensorslow flow sensorsnon-contact conductivity sensors; paddlewheel sensorstorque sensorsvacuum sensors; simulatorsnamely pH electrode simulatorRTD simulatorsthermocouple simulators; snubbersnamely pressure snubbers; computer softwarenamely data acquisition softwaredata analysis softwaregraphic presentation software; standardsnamely benchtop pressure standardshandheld pressure standardsmelting point standards; stirrersnamely lab hot plate/stirrers; suppliesnamely power supplies; switchesnamely conductivity level switches; level switchesdry material level switchesindustrial flow switchespaddle type switchespressure switches; radio frequency level switchessingle station level switches; tachometers; testersnamely conductivity testerspH testerspocket pH testerspocket testerssolder system tester; thermocouples; thermometersnamely benchtop thermometersbi-metal thermometerscompost thermometersdial thermometersdigital thermometersglass thermometershandheld thermometersinfrared thermometersmicroprocessor based thermometersnon-contact thermometersportable thermometersradiation thermometers; thermostats; timersnamely period timers; * period timers ancillary to and incorporated into apparatus scientifically or industrially employed for the measurement and/or control of temperaturepressureforceloadvibrationelectrical conductivityliquid levelacidityhumiditystrain or flow; * totalizersnamely ratameters/totalizers; transducersnamely air mass flow transducersair velocity transducersinfrared transducerspressure transducers; transmittersnamely chilled mirror transmittersconductivitycontinuous level transmittersdewpoint transmittersdigital transmittersinfrared transmittersindicating transmittersindicating transmitters and recordersintelligent transmitterspH transmittersprogrammable transmittersrelative humidity transmittersmodular indicator/controller transmitterspressure transmittersRTD transmitterssmart transmitterstemperature transmittersthermocouple transmitterstwo-wire transmitterstwo-wire conductivity transmitterstwo-wire pH transmitterstwo-wire resistivity transmitterswireless transmitters; laboratory tubesnamely pitot tubes; laboratory tubingnamely metal tubingplastic tubingrubber tubing; valvesnamely metering valvessolenoid valvesvoltmetersnamely strain-gauge/micro voltmeter; laboratory wind tunnels; wirenamely nichrome resistance wiressensor wiressuperconductive wiresthermocouple wire; and parts therefor industrially and/or scientifically employed
Class 11
furnacesnamely bench top muffle furnaces; hot plates; tapesnamely flexible heating tapes; heatersnamely air duct heatersair gun heatersband heaterscartridge heatersceramic radiant heaterscirculation heaterscomfort heatersdrum heaterselectric stud heatersfinned strip heatersfinned tubular heatersflanged immersion heaterskapton insulated flexible heatersover the side immersion heatersprocess air heatersportable air heatersradiant panel heatersring heatersscrew plug immersion heaterssilicone rubber insulated flexible heaterssmall tank immersion heatersspace heatersstrip heaterssubstrate heatersteflon covered immersion heaterstubular heaters; mantlesnamely heating mantles
Class 16
printed matternamely catalogs and reference guides containing productengineering and/or technical data
Publications
History of USPTO decisions and trademark events.
55 publications found
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/16/2026
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/16/2026
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/16/2026
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/16/2026
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/16/2026
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
12/17/2025
ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
08/03/2022
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
07/23/2021
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
07/23/2021
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
07/23/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
07/23/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
07/23/2021
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
07/23/2021
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
08/04/2017
RNL2
REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)
08/04/2017
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
08/04/2017
EROP
TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED
08/04/2017
PR89
POST REGISTRATION ACTION MAILED - SEC. 8 & 9
02/08/2017
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
02/08/2017
E89R
TEAS SECTION 8 & 9 RECEIVED
12/06/2016
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
12/17/2015
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
11/06/2008
15AK
REGISTERED - SEC. 15 ACKNOWLEDGED
08/18/2008
PLGL
ASSIGNED TO PARALEGAL
08/01/2008
E15R
TEAS SECTION 15 RECEIVED
07/23/2008
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
05/23/2007
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
02/15/2007
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
02/15/2007
PLGL
ASSIGNED TO PARALEGAL
02/09/2007
89AF
REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED
12/12/2006
E89R
TEAS SECTION 8 & 9 RECEIVED
12/12/2006
CANT
CANCELLATION TERMINATED NO. 999999
03/30/2006
A7OK
AMENDMENT UNDER SECTION 7 - PROCESSED
02/21/2006
PLGL
ASSIGNED TO PARALEGAL
02/21/2006
CAND
CANCELLATION DENIED NO. 999999
02/17/2006
8.OK
REGISTERED - SEC. 8 (6-YR) ACCEPTED
08/02/2003
PAPER RECEIVED
06/06/2003
8.AF
REGISTERED - SEC. 8 (6-YR) FILED
12/13/2002
PAPER RECEIVED
12/13/2002
PETC
CANCELLATION INSTITUTED NO. 999999
05/13/1998
R.PR
REGISTERED-PRINCIPAL REGISTER
12/17/1996
ETOF
EXTENSION OF TIME TO OPPOSE RECEIVED
07/31/1996
PUBO
PUBLISHED FOR OPPOSITION
07/02/1996
NPUB
NOTICE OF PUBLICATION
05/31/1996
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
02/29/1996
ZZZX
PREVIOUS ALLOWANCE COUNT WITHDRAWN
02/26/1996
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
02/12/1996
CNEA
EXAMINER'S AMENDMENT MAILED
01/26/1996
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
11/13/1995
CNRT
NON-FINAL ACTION MAILED
07/05/1995
CNEA
EXAMINER'S AMENDMENT MAILED
05/01/1995
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
01/23/1995
CNRT
NON-FINAL ACTION MAILED
07/21/1994
DOCK
ASSIGNED TO EXAMINER
06/06/1994
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