Christian L. Griffiths

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Rockford, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Gear pump with slots in teeth to reduce cavitation
- Patent number 8,137,085
- Issue date Mar 20, 2012
- Hamilton Sundstrand Corporation
- Weishun Ni
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Vane pump with rotating cam ring and increased under vane pressure
- Patent number 8,113,804
- Issue date Feb 14, 2012
- Hamilton Sundstrand Corporation
- Steven A. Heitz
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Dual-inlet gear pump with unequal flow capability
- Patent number 7,094,042
- Issue date Aug 22, 2006
- Hamilton Sundstrand Corporation
- David W. Borgetti
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
VANE PUMP WITH ROTATING CAM RING AND INCREASED UNDER VANE PRESSURE
- Publication number 20100166588
- Publication date Jul 1, 2010
- Steven A. Heitz
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
GEAR PUMP WITH SLOTS IN TEETH TO REDUCE CAVITATION
- Publication number 20100158739
- Publication date Jun 24, 2010
- Weishun Ni
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...