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Patents Grants
last 30 patents
Information
Patent Grant
Refrigerating cycle or compressor having foreign matter collector
Patent number
7,354,257
Issue date
Apr 8, 2008
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Refrigerating cycle or compressor having foreign matter collector
Patent number
6,666,667
Issue date
Dec 23, 2003
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Refrigerating cycle or compressor having foreign matter collector
Patent number
6,607,372
Issue date
Aug 19, 2003
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Refrigerating cycle or compressor having foreign matter collector
Patent number
6,450,790
Issue date
Sep 17, 2002
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Rotary compressor having a cylinder block of sintered metal
Patent number
6,447,274
Issue date
Sep 10, 2002
Matsushita Electric Industrial Co., Ltd.
Hideyuki Horihata
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Refrigerating cycle or compressor having foreign matter collector
Patent number
6,250,898
Issue date
Jun 26, 2001
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Refrigerating cycle or compressor having foreign matter collector
Patent number
5,865,607
Issue date
Feb 2, 1999
Matsushita Electronic Industrial Co. Ltd.
Hirotsugu Fukuoka
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Hermetic type compressor having an oil feed part
Patent number
5,842,846
Issue date
Dec 1, 1998
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Compressor for a refrigeration machine having a thrust bearing
Patent number
5,695,326
Issue date
Dec 9, 1997
Matsushita Electric Industrial Co., Ltd.
Hideto Oka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hermetically sealed rotary compressor having an oil supply passage...
Patent number
5,685,703
Issue date
Nov 11, 1997
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hermetically sealed rotary compressor having an oil supply capillar...
Patent number
5,545,021
Issue date
Aug 13, 1996
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Closed rotary compressor
Patent number
5,518,381
Issue date
May 21, 1996
Matsushita Electric Industrial Co., Ltd.
Hiroshi Matsunaga
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Refrigerating cycle or compressor having foreign matter collector
Publication number
20040069010
Publication date
Apr 15, 2004
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Refrigerating cycle or compressor having foreign matter collector
Publication number
20030194338
Publication date
Oct 16, 2003
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Application
Refrigerating cycle or compressor having foreign matter collector
Publication number
20020110469
Publication date
Aug 15, 2002
Matsushita Electric Industrial Co., Ltd.
Hirotsugu Fukuoka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Refrigerating cycle or compressor having foreign matter collector
Publication number
20010016172
Publication date
Aug 23, 2001
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Hirotsugu Fukuoka
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...