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William E. Petrich
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Golden Valley, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Manifold for use with a pressure transmitter
Patent number
6,675,658
Issue date
Jan 13, 2004
Rosemount Inc.
William E. Petrich
G01 - MEASURING TESTING
Information
Patent Grant
Process connection for in-line pressure transmitter
Patent number
6,568,278
Issue date
May 27, 2003
Rosemount Inc.
Scott D. Nelson
G01 - MEASURING TESTING
Information
Patent Grant
Manifold for use with a pressure transmitter
Patent number
6,389,904
Issue date
May 21, 2002
Rosemount Inc.
William E. Petrich
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Manifold for use with a pressure transmitter
Patent number
6,009,758
Issue date
Jan 4, 2000
Rosemunt Inc.
William E. Petrich
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Transmitter with fill fluid loss detection
Patent number
5,760,310
Issue date
Jun 2, 1998
Rosemount Inc.
Stanley E. Rud
G01 - MEASURING TESTING
Information
Patent Grant
Interchangeable process connection resistant to installation errors
Patent number
5,248,167
Issue date
Sep 28, 1993
Rosemount Inc.
William E. Petrich
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Process connection for in-line pressure transmitter
Publication number
20020178822
Publication date
Dec 5, 2002
Scott D. Nelson
G01 - MEASURING TESTING
Information
Patent Application
Manifold for use with a pressure transmitter
Publication number
20020023502
Publication date
Feb 28, 2002
William E. Petrich
G01 - MEASURING TESTING