Ronald T. Drost

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Colchester, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Screw machine
- Patent number 7,153,111
- Issue date Dec 26, 2006
- Carrier Corporation
- James W. Bush
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Screw machine
- Patent number 6,988,877
- Issue date Jan 24, 2006
- Carrier Corporation
- James W. Bush
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Screw machine
- Patent number 6,986,652
- Issue date Jan 17, 2006
- Carrier Corporation
- James W. Bush
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Screw machine
- Patent number 6,893,240
- Issue date May 17, 2005
- Carrier Corporation
- James W. Bush
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Screw machine
- Patent number 6,506,037
- Issue date Jan 14, 2003
- Carrier Corporation
- James W. Bush
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
Screw machine
- Publication number 20040033152
- Publication date Feb 19, 2004
- James W. Bush
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Screw machine
- Publication number 20030086806
- Publication date May 8, 2003
- James W. Bush
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Screw machine
- Publication number 20030086807
- Publication date May 8, 2003
- James W. Bush
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
Screw machine
- Publication number 20030086805
- Publication date May 8, 2003
- James W. Bush
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES