David A. Schmidt

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Flow system for a hydraulic choke solids strainer
- Patent number 7,360,611
- Issue date Apr 22, 2008
- Expro Americas, L.P.
- Donald Glynn Sims
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Solids strainer system for a hydraulic choke
- Patent number 7,275,606
- Issue date Oct 2, 2007
- Expro Americas, L.P.
- Donald Glynn Sims
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus and methods for servicing a hydraulic choke
- Patent number 7,231,932
- Issue date Jun 19, 2007
- Power Well Services, L.P.
- Robert F. Schmidt
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Manipulator system for servicing a hydraulic choke
- Patent number 7,159,604
- Issue date Jan 9, 2007
- Power Well Services, L.P.
- David A. Schmidt
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Shear mechanism for backpressure relief in a choke valve
- Patent number 7,124,770
- Issue date Oct 24, 2006
- Power Well Services, L.P.
- Robert F. Schmidt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Modular actuator system for valves and chokes
- Patent number 6,883,614
- Issue date Apr 26, 2005
- Power Chokes
- David A. Schmidt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Flow system for a hydraulic choke solids Strainer
- Publication number 20070221413
- Publication date Sep 27, 2007
- Expro Americas, L.P.
- Donald Glynn Sims
- E21 - EARTH DRILLING MINING
Information Patent Application
Solids strainer system for a hydraulic choke
- Publication number 20070215387
- Publication date Sep 20, 2007
- Expro Americas, L.P.
- Donald Glynn Sims
- E21 - EARTH DRILLING MINING
Information Patent Application
Manipulator system for servicing a hydraulic choke
- Publication number 20070051407
- Publication date Mar 8, 2007
- Power Well Services, L.P.
- David A. Schmidt
- E21 - EARTH DRILLING MINING
Information Patent Application
Manipulator system for servicing a hydraulic choke
- Publication number 20050236046
- Publication date Oct 27, 2005
- Power Chokes, L.P.
- David A. Schmidt
- E21 - EARTH DRILLING MINING
Information Patent Application
Shear mechanism for backpressure relief in a choke valve
- Publication number 20050072464
- Publication date Apr 7, 2005
- Power Chokes, L.P.
- Robert F. Schmidt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Solids strainer system for a hydraulic choke
- Publication number 20050006150
- Publication date Jan 13, 2005
- Power Chokes, L.P.
- Donald Glynn Sims
- E21 - EARTH DRILLING MINING
Information Patent Application
Modular actuator system for valves and chokes
- Publication number 20040216888
- Publication date Nov 4, 2004
- Power Chokes, L.P.
- David A. Schmidt
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Solids separation system for well flowback
- Publication number 20040217050
- Publication date Nov 4, 2004
- Power Chokes, L.P.
- David A. Schmidt
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

David A. Schmidt

Person

Patents Grantslast 30 patents

Flow system for a hydraulic choke solids strainer

Solids strainer system for a hydraulic choke

Apparatus and methods for servicing a hydraulic choke

Manipulator system for servicing a hydraulic choke

Shear mechanism for backpressure relief in a choke valve

Modular actuator system for valves and chokes

Patents Applicationslast 30 patents

Flow system for a hydraulic choke solids Strainer

Solids strainer system for a hydraulic choke

Manipulator system for servicing a hydraulic choke

Manipulator system for servicing a hydraulic choke

Shear mechanism for backpressure relief in a choke valve

Solids strainer system for a hydraulic choke

Modular actuator system for valves and chokes

Solids separation system for well flowback