Bernard Zimmern

Person

East Norwalk, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process to produce nearly oil free compressed ammonia and system to...
- Patent number 6,767,524
- Issue date Jul 27, 2004
- Bernard Zimmern
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Single screw compressor with liquid lock preventing slide
- Patent number 6,106,241
- Issue date Aug 22, 2000
- Bernard Zimmern
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Screw-type compressor with liquid lock protection
- Patent number 5,890,884
- Issue date Apr 6, 1999
- Bernard Zimmern
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method of using a thermal expansion valve device, evaporator and fl...
- Patent number 5,195,331
- Issue date Mar 23, 1993
- Zimmern; Bernard
- Bernard Zimmern
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Casing construction for screw compression/expansion machines
- Patent number 5,087,182
- Issue date Feb 11, 1992
- Zimmern; Bernard
- Bernard Zimmern
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Process to cut hour glass screws
- Patent number 5,084,965
- Issue date Feb 4, 1992
- Bernard Zimmern
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Positive displacement rotary machine
- Patent number 5,080,568
- Issue date Jan 14, 1992
- Bernard Zimmern
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Oil-free rotary compressor with injected water and dissolved borate
- Patent number 4,968,231
- Issue date Nov 6, 1990
- Zimmern; Bernard
- Bernard Zimmern
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Methods and devices for cooling a motor of a refrigerating machine...
- Patent number 4,903,497
- Issue date Feb 27, 1990
- Zimmern; Bernard
- Bernard Zimmern
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method and a screw machine for processing fluid under high pressure...
- Patent number 4,900,239
- Issue date Feb 13, 1990
- Bernard Zimmern
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Hermetic or semi-hermetic refrigeration motor-compressor unit
- Patent number 4,890,461
- Issue date Jan 2, 1990
- Bernard Zimmern
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Positive displacement machine with a plastic gate pinton
- Patent number 4,890,989
- Issue date Jan 2, 1990
- Bernard Zimmern
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Injected compressor with liquid switch
- Patent number 4,861,246
- Issue date Aug 29, 1989
- Bernard Zimmern
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Refrigeration system with a centrifugal economizer
- Patent number 4,691,533
- Issue date Sep 8, 1987
- Bernard Zimmern
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Method of lubricating bearings of a machine handling liquefiable gas
- Patent number 4,589,826
- Issue date May 20, 1986
- Zimmern; Bernard
- Bernard Zimmern
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Positive displacement screw machine with separation wall attached t...
- Patent number 4,579,513
- Issue date Apr 1, 1986
- Zimmern; Bernard
- Bernard Zimmern
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Method of lubricating bearings of a refrigeration or the like compr...
- Patent number 4,553,399
- Issue date Nov 19, 1985
- Zimmern; Bernard
- Sadafumi Noda
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Economizer device for a refrigerating machine, a heat-pump or the like
- Patent number 4,509,341
- Issue date Apr 9, 1985
- Bernard Zimmern
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Globoid worm machine with metal ring in bearing housing
- Patent number 4,475,877
- Issue date Oct 9, 1984
- Bernard Zimmern
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
Process to produce nearly oil free compressed ammonia and system to...
- Publication number 20030091494
- Publication date May 15, 2003
- Bernard Zimmern
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Bernard Zimmern

Person

Patents Grantslast 30 patents

Process to produce nearly oil free compressed ammonia and system to...

Single screw compressor with liquid lock preventing slide

Screw-type compressor with liquid lock protection

Method of using a thermal expansion valve device, evaporator and fl...

Casing construction for screw compression/expansion machines

Process to cut hour glass screws

Positive displacement rotary machine

Oil-free rotary compressor with injected water and dissolved borate

Methods and devices for cooling a motor of a refrigerating machine...

Method and a screw machine for processing fluid under high pressure...

Hermetic or semi-hermetic refrigeration motor-compressor unit

Positive displacement machine with a plastic gate pinton

Injected compressor with liquid switch

Refrigeration system with a centrifugal economizer

Method of lubricating bearings of a machine handling liquefiable gas

Positive displacement screw machine with separation wall attached t...

Method of lubricating bearings of a refrigeration or the like compr...

Economizer device for a refrigerating machine, a heat-pump or the like

Globoid worm machine with metal ring in bearing housing

Patents Applicationslast 30 patents

Process to produce nearly oil free compressed ammonia and system to...