Heat treatment

Industry

CPC
F04C2230/40

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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C2230/00Manufacture

Current Industry

F04C2230/40Heat treatment

Industries

Patents Grantslast 30 patents

Information Patent Grant
Austempered grey iron scroll and method of making thereof
- Patent number 10,844,855
- Issue date Nov 24, 2020
- TRANE INTERNATIONAL INC.
- George Hansen
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Rotary compressor, method of manufacturing a rotary compressor, and...
- Patent number 10,047,748
- Issue date Aug 14, 2018
- LG Electronics Inc.
- Youngboo Son
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electric compressor with integral inverter
- Patent number 8,398,377
- Issue date Mar 19, 2013
- Sanden Corporation
- Takaaki Itabashi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Screw-type rotary fluid machine including rotors having treated sur...
- Patent number 5,314,321
- Issue date May 24, 1994
- Hitachi, Ltd.
- Akihiko Yamamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of treating surfaces of rotors of the screw type rotary machine
- Patent number 5,223,052
- Issue date Jun 29, 1993
- Hitachi, Ltd.
- Akihiko Yamamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for producing ferrous sintered alloy product
- Patent number 4,976,916
- Issue date Dec 11, 1990
- Nippon Piston Ring Co., Ltd.
- Soichi Shimomura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Ferrous sintered alloy vane and rotary compressor
- Patent number 4,859,164
- Issue date Aug 22, 1989
- Nippon Piston Ring Co., Ltd.
- Soichi Shimomura
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
AUSTEMPERED GREY IRON SCROLL AND METHOD OF MAKING THEREOF
- Publication number 20180187678
- Publication date Jul 5, 2018
- TRANE INTERNATIONAL INC.
- George Hansen
- C21 - METALLURGY OF IRON
Information Patent Application
ALLOY CAST IRON AND MANUFACTURING METHOD OF ROLLING PISTON USING TH...
- Publication number 20130118652
- Publication date May 16, 2013
- LG ELECTRONICS INC.
- Jaebong PARK
- C21 - METALLURGY OF IRON
Information Patent Application
ELECTRIC COMPRESSOR WITH INTEGRAL INVERTER
- Publication number 20100183458
- Publication date Jul 22, 2010
- Takaaki Itabashi
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Heat treatment

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Austempered grey iron scroll and method of making thereof

Rotary compressor, method of manufacturing a rotary compressor, and...

Electric compressor with integral inverter

Screw-type rotary fluid machine including rotors having treated sur...

Method of treating surfaces of rotors of the screw type rotary machine

Method for producing ferrous sintered alloy product

Ferrous sintered alloy vane and rotary compressor

Patents Applicationslast 30 patents

AUSTEMPERED GREY IRON SCROLL AND METHOD OF MAKING THEREOF

ALLOY CAST IRON AND MANUFACTURING METHOD OF ROLLING PISTON USING TH...

ELECTRIC COMPRESSOR WITH INTEGRAL INVERTER