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Douglas W. Drussel
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Sedalia, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Centrifugal clutch and cover mount assembly therefor
Patent number
7,140,480
Issue date
Nov 28, 2006
Drussel Wilfley Design, LLC
Douglas W. Drussel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Manual/automatic pressure control mechanism for centrifugal clutch
Patent number
7,014,026
Issue date
Mar 21, 2006
Drussel Wilfley Design, LLC
Douglas W. Drussel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Multi-row cam-actuated centrifugal clutch
Patent number
6,814,208
Issue date
Nov 9, 2004
Drussel Wilfley Design, LLC
Douglas W. Drussel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Automatic clutch with manual override control mechanism
Patent number
6,705,446
Issue date
Mar 16, 2004
Drussel Wilfley Design, LLC
Douglas W. Drussel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Acid/slurry governor seal assembly for centrifugal pumps
Patent number
5,667,356
Issue date
Sep 16, 1997
A. R. Wilfley and Sons, Inc.
John D. Whittier
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Centrifugal pump with electromagnetic actuator mechanism
Patent number
5,580,215
Issue date
Dec 3, 1996
A. R. Wilfley and Sons, Inc.
John E. Sidelko
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Manual/automatic pressure control mechanism for centrifugal clutch
Publication number
20050000775
Publication date
Jan 6, 2005
Drussel Wilfley Design, LLC
Douglas W. Drussel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Centrifugal clutch and cover mount assembly therefor
Publication number
20040238315
Publication date
Dec 2, 2004
Drussel Wilfley Design, LLC
Douglas W. Drussel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Multi-row cam-actuated centrifugal clutch
Publication number
20030085096
Publication date
May 8, 2003
Drussel Wilfley Design, LLC
Douglas W. Drussel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Automatic clutch with manual override control mechanism
Publication number
20020185355
Publication date
Dec 12, 2002
Drussel Wilfley Design, LLC
Douglas W. Drussel
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...