Sealing between piston and carter being provided by a diaphragm

This industry / category may be too specific. Please go to a parent level for more data

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Two-stage positive displacement pump
- Patent number 5,584,669
- Issue date Dec 17, 1996
- KNF Neuberger GmbH
- Erich Becker
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Two-stage positive displacement pump
- Patent number 5,387,090
- Issue date Feb 7, 1995
- KNF Neuberger GmbH
- Erich Becker
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
3809506
- Patent number 3,809,506
- Issue date May 7, 1974
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
3789675
- Patent number 3,789,675
- Issue date Feb 5, 1974
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
3656874
- Patent number 3,656,874
- Issue date Apr 18, 1972
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
3473726
- Patent number 3,473,726
- Issue date Oct 21, 1969
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
1495290
- Patent number 1,495,290
- Issue date May 27, 1924
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...