David N. Maniez, Jr.

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St. Louis, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Valve closure system and valve closure assembly
- Patent number 7,798,468
- Issue date Sep 21, 2010
- Powell Technologies LLC
- Richard D. Fortino
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Valve closure system and valve closure assembly having torque limiting
- Patent number 6,957,802
- Issue date Oct 25, 2005
- Powell Technologies LLC
- Richard D. Fortino
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Adapters and adapter systems for valve closure systems and valve cl...
- Patent number 6,908,068
- Issue date Jun 21, 2005
- Powell Technologies LLC
- Richard D. Fortino
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Circuit for operating a valve closure system
- Patent number 6,871,834
- Issue date Mar 29, 2005
- Powell Technologies LLC
- Richard D. Fortino
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Valve closure system and valve closure assembly
- Publication number 20090321673
- Publication date Dec 31, 2009
- Richard D. Fortino
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...