Rig Efficiency, Inc.

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Closed loop power factor control for power supply systems
- Patent number 4,590,416
- Issue date May 20, 1986
- Rig Efficiency, Inc.
- Michael N. Porche
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Closed loop power factor control for drilling rigs
- Patent number 4,482,857
- Issue date Nov 13, 1984
- Rig Efficiency, Inc.
- Michael N. Porche
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS