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Patents Grants
last 30 patents
Information
Patent Grant
Device of a pair of claw-type rotors having same profiles
Patent number
8,887,593
Issue date
Nov 18, 2014
Liung Feng Industrial Co., Ltd.
Tsang Lin Hsu
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
LED light emitter with heat sink holder and method for manufacturin...
Patent number
8,048,692
Issue date
Nov 1, 2011
Liung Feng Industrial Co., Ltd.
Ray-hua Horng
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for packaging a light emitting device including a metal refl...
Patent number
7,816,704
Issue date
Oct 19, 2010
Liung Feng Industrial Co., Ltd.
Tsang-Lin Hsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for producing hydrogen by using different metals
Patent number
7,704,484
Issue date
Apr 27, 2010
Liung Feng Industrial Co., Ltd.
Jin-Ten Wan
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Methods for designing single-lobe and double-lobe rotors
Patent number
7,594,323
Issue date
Sep 29, 2009
Liung Feng Industrial Co., Ltd.
Tien-Tung Chung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Methods for designing lobe-type rotors
Patent number
7,565,741
Issue date
Jul 28, 2009
Liung Feng Industrial Co., Ltd.
Chung Tien-Tung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Methods for designing lobe-type rotors
Patent number
7,565,742
Issue date
Jul 28, 2009
Liung Feng Industrial Co., Ltd.
Chung Tien-Tung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Methods for designing single-lobe rotors
Patent number
7,562,450
Issue date
Jul 21, 2009
Liung Feng Industrial Co., Ltd.
Tien-Tung Chung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Method for producing hydrogen by using magnesium scrap and apparatu...
Patent number
7,521,038
Issue date
Apr 21, 2009
Liung Feng Industrial Co., Ltd.
Jin-ten Wan
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Dynamic magnet apparatus for generating electrical power
Patent number
7,476,989
Issue date
Jan 13, 2009
Liung Feng Industrial Co., Ltd.
Tsang-Lin Hsu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotary positive displacement control system and apparatus
Patent number
7,341,042
Issue date
Mar 11, 2008
Liung Feng Industrial Co., Ltd.
Tien-tung Chung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Double-lobe type rotor design process
Patent number
7,255,545
Issue date
Aug 14, 2007
Liung Feng Industrial Co., Ltd.
Chung Tien-Tung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Boat propulsion system
Patent number
7,174,842
Issue date
Feb 13, 2007
Liung Feng Industrial Co., Ltd.
Hsu Tsang Lin
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Composite heat exchanger
Patent number
7,156,163
Issue date
Jan 2, 2007
Liung Feng Industrial Co., Ltd.
Lin Heng-I
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Coaxial dynamical system
Patent number
7,071,590
Issue date
Jul 4, 2006
Liung Feng Industrial Co., Ltd.
Lin Heng-I
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Rotor mechanism
Patent number
6,776,594
Issue date
Aug 17, 2004
Liung Feng Industrial Co., Ltd.
Lin Heng-I
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Device of a Pair of Claw-Type Rotors Having Same Profiles
Publication number
20140102233
Publication date
Apr 17, 2014
LIUNG FENG INDUSTRIAL CO., LTD.
Tsang Lin Hsu
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
Methods for designing lobe-type rotors
Publication number
20070050055
Publication date
Mar 1, 2007
Liung Feng Industrial Co., Ltd.
Chung Tien-Tung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Methods for designing single-lobe rotors
Publication number
20070050065
Publication date
Mar 1, 2007
Liung Feng Industrial Co., Ltd.
Tien-Tung Chung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Methods for designing lobe-type rotors
Publication number
20070050066
Publication date
Mar 1, 2007
Liung Feng Industrial Co., Ltd.
Tien-Tung Chung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Methods for designing single-lobe and double-lobe rotors
Publication number
20070050056
Publication date
Mar 1, 2007
Liung Feng Industrial Co., Ltd.
Tien-Tung Chung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Composite heat exchanger
Publication number
20060086488
Publication date
Apr 27, 2006
Liung Feng Industrial Co., Ltd.
Lin Heng-I
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
Coaxial dynamical system
Publication number
20050285466
Publication date
Dec 29, 2005
Liung Feng Industrial Co., Ltd.
Lin Heng-I
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Double-lobe type rotor design process
Publication number
20050287029
Publication date
Dec 29, 2005
Liung Feng Industrial Co., Ltd.
Tien-Tung Chung
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Pump
Publication number
20050196300
Publication date
Sep 8, 2005
Liung Feng Industrial Co., Ltd.
Lin Heng-I
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Slurry expressing and liquid displacing device
Publication number
20050189287
Publication date
Sep 1, 2005
Liung Feng Industrial Co., Ltd.
Heng-I Lin
B30 - PRESSES
Information
Patent Application
Inductive charger
Publication number
20050156563
Publication date
Jul 21, 2005
Liung Feng Industrial Co., Ltd.
Heng-I Lin
F21 - LIGHTING
Information
Patent Application
Charger
Publication number
20050085122
Publication date
Apr 21, 2005
Liung Feng Industrial Co., Ltd.
Chyi-Ming Chiou
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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