Thomas Summers

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Mckenzie, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure relief valve and secondary spring force containment assembly
- Patent number 9,249,891
- Issue date Feb 2, 2016
- McKenzie Valve and Machine LLC
- Donald Prince
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Vacuum Relief Valve for Railroad Tank Car
- Publication number 20240068594
- Publication date Feb 29, 2024
- MCKENZIE VALVE & MACHINING LLC
- Roger Dale DANZY
- B61 - RAILWAYS
Information Patent Application
PRESSURE RELIEF VALVE AND SECONDARY SPRING FORCE CONTAINMENT ASSEMBLY
- Publication number 20140130908
- Publication date May 15, 2014
- DONALD PRNCE
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC