David Scott Crew JR.

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Liner lock flange for a piston pump
- Patent number 11,125,331
- Issue date Sep 21, 2021
- Schlumberger Technology Corporation
- Jaakko Jalmari Halmari
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Liner Lock Flange for A Piston Pump
- Publication number 20200049144
- Publication date Feb 13, 2020
- Cameron International Corporation
- Jaakko Jalmari Halmari
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...