Robert E. Oehman JR.

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Pump mount using sanitary flange clamp
- Patent number 6,764,284
- Issue date Jul 20, 2004
- Parker-Hannifin Corporation
- Robert E. Oehman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Fluid transfer machine with drive shaft lubrication and cooling
- Patent number 6,685,453
- Issue date Feb 3, 2004
- Parker-Hannifin Corporation
- Robert E. Oehman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
External gear pump with drive gear seal
- Patent number 6,171,089
- Issue date Jan 9, 2001
- Parker-Hannifin Corporation
- Robert E. Oehman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Recirculating flow path for gear pump
- Patent number 6,135,741
- Issue date Oct 24, 2000
- Parker-Hannifin Corporation
- Robert E. Oehman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Compliant viscous seal for fluid transfer device
- Publication number 20040265141
- Publication date Dec 30, 2004
- Robert E. Oehman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Ventilated pump shaft seal
- Publication number 20040070152
- Publication date Apr 15, 2004
- Robert E. Oehman
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Pump mount using sanitary flange clamp
- Publication number 20030129068
- Publication date Jul 10, 2003
- Robert E. Oehman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Fluid transfer machine with drive shaft lubrication and cooling
- Publication number 20030059329
- Publication date Mar 27, 2003
- Robert E. Oehman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...