William C. Keenan

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Broken Arrow, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Vessel closure device with fail safe failure detection means
- Patent number 11,719,341
- Issue date Aug 8, 2023
- TDW Delaware, Inc.
- Joshua D. Mitchell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
System and method of preventing flow blocking when using an automat...
- Patent number 9,651,190
- Issue date May 16, 2017
- TDW Delaware, Inc.
- Jeffrey C. Hailey
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
PIPELINE PIG WITH PRESSURE-EQUALIZING TRANSMITTER CAVITY SYSTEM
- Publication number 20250060064
- Publication date Feb 20, 2025
- TDW Delaware, Inc.
- Charles G. Boellstorff
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Vessel Closure Device With Fail Safe Failure Detection Means
- Publication number 20190366289
- Publication date Dec 5, 2019
- TDW Delaware, Inc.
- Joshua D. Mitchell
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
System and Method Of Preventing Flow Blocking When Using An Automat...
- Publication number 20170246667
- Publication date Aug 31, 2017
- TDW Delaware, Inc.
- Jeffrey C. Hailey
- B08 - CLEANING