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Glenn G. Pecht
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Chicago, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Monitoring seal system
Patent number
6,626,436
Issue date
Sep 30, 2003
John Crane Inc.
Glenn G. Pecht
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Gas lubricated slow speed seal
Patent number
6,142,478
Issue date
Nov 7, 2000
John Crane Inc.
Glenn G. Pecht
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Non-contacting mechanical face seal
Patent number
5,605,339
Issue date
Feb 25, 1997
John Crane Inc.
Glenn G. Pecht
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Non-contacting, gap-type seal having a ring with a patterned seal face
Patent number
5,492,341
Issue date
Feb 20, 1996
John Crane Inc.
Glenn G. Pecht
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Non-contacting mechanical face seal
Patent number
5,441,283
Issue date
Aug 15, 1995
John Crane Inc.
Glenn G. Pecht
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Spiral groove seal system for sealing a high pressure gas
Patent number
5,217,233
Issue date
Jun 8, 1993
John Crane Inc.
Glenn G. Pecht
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Secondary seal for gas turbines
Patent number
5,172,918
Issue date
Dec 22, 1992
John Crane Inc.
Glenn G. Pecht
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Non-contacting, gap-type seal having a ring with a patterned microd...
Patent number
5,090,712
Issue date
Feb 25, 1992
John Crane Inc.
Glenn G. Pecht
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Spiral groove seal arrangement for high vapor-pressure liquids
Patent number
5,071,141
Issue date
Dec 10, 1991
John Crane Inc.
Wei-Tang Lai
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Spiral groove seal system for high vapor-pressure liquids
Patent number
4,889,348
Issue date
Dec 26, 1989
John Crane Houdaille, Inc.
Donald E. Amundson
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Monitoring seal system
Publication number
20010030396
Publication date
Oct 18, 2001
John Crane Inc.
Glenn G. Pecht
G01 - MEASURING TESTING