ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
09/10/2025
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Official data from USPTO
OPW ENGINEERED SYSTEMS
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Active USPTO registrationType: CombinedOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
66
Latest update
09/11/2025
Trademark type
Combined
Nice classes
6, 9
Filing date
09/15/2004
Registration date
12/18/2007
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
04/19/2017
Last transaction
09/11/2025
Responsible office
United States Patent and Trademark Office
Status code
800
Official register
Principal Register
First use anywhere
12/31/1988
First use in commerce
12/31/1988
Drawing code
3
Owner type
03
Owner location
HAMILTON, OH
Examiner
WILLIAMS, IRENE
Law office
M30
Current location
GENERIC WEB UPDATE
Holders and representatives
Holders
OPW FLUIDS GROUP, INC.
KNAPPCO, LLC
OPW ENGINEERED SYSTEMS, INC.
Delaware Capital Formation, Inc.
Representatives
April L. Besl DINSMORE & SHOHL LLP
Technical classification
Nice Classes
Class 6Class 9
Vienna Codes
No Vienna codes available.
Goods and services
Class 6
Metal goodsmetal flanges; metal pipe couplings and joints; metal swivel joints; metal valves; metal pipe fittings; metal pipes and connectors for use therewithbottom loader assembliespipes that connect a movable tanksuch as a tank truck or rail car to a fixed storage tank or similar to allow for the transfer of fluids specifically for connection to the bottom outlet of a tank; coupling assemblies; drop tubes; loading and unloading fluid piping systems comprising swivel jointspipestubeselbowsflangesfluid couplings; slide sleeve loading arms; swivel hose connectors; tank car loading and unloading connectionsmetal pipes and couplings; piping systems for transfer of chemicals comprising swivel jointspipestubeselbowsflangesfluid couplings; dust caps used as a component part of metal piping systemsintegral components to heat and maintain temperature in piping systemsmetal steam jacketingvapor recovery fittingsplatescones and plugssuction line strainersall the above goods being made of metal
Class 9
pressure relief valves for rail cars and fixed tanks; site flow indicators; pressure isolation rings; level indicatorslevel switches and level gauges; vacuum breakernamely a pressure relief valve
Publications
History of USPTO decisions and trademark events.
66 publications found
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
07/28/2021
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/23/2021
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/23/2021
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
02/23/2021
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/23/2021
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/23/2021
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/23/2021
NA89
NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED
04/19/2017
RNL1
REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)
04/19/2017
89AG
REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED
04/19/2017
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
04/19/2017
E89R
TEAS SECTION 8 & 9 RECEIVED
02/23/2017
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
01/25/2017
REM2
COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED
12/18/2016
NA85
NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
01/26/2013
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
01/26/2013
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
01/26/2013
E815
TEAS SECTION 8 & 15 RECEIVED
01/11/2013
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
07/10/2008
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
07/10/2008
R.PR
REGISTERED-PRINCIPAL REGISTER
12/18/2007
PUBO
PUBLISHED FOR OPPOSITION
10/02/2007
NPUB
NOTICE OF PUBLICATION
09/12/2007
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
08/27/2007
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
08/27/2007
ZZZX
PREVIOUS ALLOWANCE COUNT WITHDRAWN
08/09/2007
PBCR
WITHDRAWN FROM PUB - OG REVIEW QUERY
08/07/2007
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
07/18/2007
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
07/18/2007
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
05/22/2007
ALIE
ASSIGNED TO LIE
05/22/2007
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
05/04/2007
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
05/04/2007
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
05/03/2007
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
05/03/2007
GNRT
NON-FINAL ACTION E-MAILED
12/08/2006
CNRT
NON-FINAL ACTION WRITTEN
12/08/2006
ZZZX
PREVIOUS ALLOWANCE COUNT WITHDRAWN
12/03/2006
PBCR
WITHDRAWN FROM PUB - OG REVIEW QUERY
11/24/2006
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
10/26/2006
ALIE
ASSIGNED TO LIE
10/20/2006
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
10/17/2006
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
09/26/2006
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
09/25/2006
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
09/25/2006
GNRT
NON-FINAL ACTION E-MAILED
07/24/2006
CNRT
NON-FINAL ACTION WRITTEN
07/24/2006
ZZZX
PREVIOUS ALLOWANCE COUNT WITHDRAWN
07/16/2006
PBCR
WITHDRAWN FROM PUB - OG REVIEW QUERY
06/23/2006
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
05/30/2006
ALIE
ASSIGNED TO LIE
05/26/2006
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
05/10/2006
XAEC
EXAMINER'S AMENDMENT ENTERED
05/10/2006
GNEA
EXAMINERS AMENDMENT E-MAILED
05/05/2006
CNEA
EXAMINERS AMENDMENT -WRITTEN
05/05/2006
GNFR
FINAL REFUSAL E-MAILED
11/18/2005
CNFR
FINAL REFUSAL WRITTEN
11/18/2005
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
10/28/2005
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
10/17/2005
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
10/17/2005
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
07/21/2005
CNRT
NON-FINAL ACTION MAILED
04/18/2005
CNRT
NON-FINAL ACTION WRITTEN
04/15/2005
DOCK
ASSIGNED TO EXAMINER
04/15/2005
NWAP
NEW APPLICATION ENTERED
09/21/2004
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