Roger L. Post

Follow

Person

Quincy, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Control system for helical screw compressor
- Patent number 4,147,475
- Issue date Apr 3, 1979
- Gardner-Denver Company
- John C. Shoop
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Multistage helical screw compressor with liquid injection
- Patent number 4,123,203
- Issue date Oct 31, 1978
- Gardner-Denver Company
- Stephen J. Kathmann
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Control system for helical screw compressor
- Patent number 4,052,135
- Issue date Oct 4, 1977
- Gardner-Denver Company
- John C. Shoop
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...