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Ascher H. Shapiro
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Jamaica Plain, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Centrifuge discharge port with power recovery
Patent number
7,022,061
Issue date
Apr 4, 2006
Andritz AG
Woon-Fong (Wallace) Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Control of separation performance in a centrifuge by controlling a...
Patent number
6,416,454
Issue date
Jul 9, 2002
Kendro Laboratory Products, Inc.
Stephen B. Kessler
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Decanter centrifuge for producing cake with reduced moisture conten...
Patent number
6,110,096
Issue date
Aug 29, 2000
Baker Hughes Incorporated
Woon-Fong Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Feed accelerator system including accelerating vane apparatus
Patent number
6,077,210
Issue date
Jun 20, 2000
Baker Hughes Incorporated
Woon-Fong Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Feed accelerator system including accelerating vane apparatus
Patent number
5,840,006
Issue date
Nov 24, 1998
Baker Hughes Incorporated
Woon Fong Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Decanter centrifuge for producing cake with reduced moisture conten...
Patent number
5,840,007
Issue date
Nov 24, 1998
Baker Hughes Incorporated
Woon-Fong Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Feed accelerator system including accelerating vane apparatus
Patent number
5,769,776
Issue date
Jun 23, 1998
Baker Hughes Incorporated
Wallace Woon-Fong Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Decanter centrifuge and associated method for producing cake with r...
Patent number
5,695,442
Issue date
Dec 9, 1997
Baker Hughes Incorporated
Woon-Fong Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Decanter centrifuge with adjustable gate control
Patent number
5,643,169
Issue date
Jul 1, 1997
Baker Hughes Incorporated
Woon-Fong Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Feed accelerator system including accelerating vane apparatus
Patent number
5,632,714
Issue date
May 27, 1997
Baker Hughes Inc.
Woon F. Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Feed accelerator system including accelerating vane apparatus
Patent number
5,551,943
Issue date
Sep 3, 1996
Baker Hughes Incorporated
Woon F. Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Feed accelerator system including accelerating cone
Patent number
5,527,258
Issue date
Jun 18, 1996
Baker Hughes Incorporated
Woon F. Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Method for accelerating a liquid in a centrifuge
Patent number
5,520,605
Issue date
May 28, 1996
Baker Hughes Incorporated
Woon F. Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Feed accelerator system including accelerator disc
Patent number
5,401,423
Issue date
Mar 28, 1995
Baker Hughes Incorporated
Woon F. Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Feed accelerator system including accelerator cone
Patent number
5,380,266
Issue date
Jan 10, 1995
Baker Hughes Incorporated
Woon F. Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Power-efficient liquid-solid separating centrifuge
Patent number
5,147,277
Issue date
Sep 15, 1992
Baker Hughes Incorporated
Ascher H. Shapiro
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Conveyorless clarifier
Patent number
5,067,939
Issue date
Nov 26, 1991
Bird Machine Company
Ascher H. Shapiro
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Patents Applications
last 30 patents
Information
Patent Application
Centrifuge discharge port with power recovery
Publication number
20040072667
Publication date
Apr 15, 2004
BAKER HUGHES INCORPORATED
Woon-Fong Leung
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...