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William M. Yavorsky
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Woodbury, MN, US
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last 30 patents
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Patent Grant
Plastic coated valve rotor and a method of manufacturing
Patent number
6,085,788
Issue date
Jul 11, 2000
Ecowater Systems, Inc.
Ralph H. Larson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic coated valve rotor and a method of manufacturing
Patent number
5,867,900
Issue date
Feb 9, 1999
Ecowater Systems, Inc.
Ralph H. Larson
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Pressure vessel with a bladder
Patent number
4,817,830
Issue date
Apr 4, 1989
Ecodyne Corporation
William M. Yavorsky
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Pressure vessel with an improved sidewall structure
Patent number
4,765,507
Issue date
Aug 23, 1988
Ecodyne Corporation
William M. Yavorsky
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing a pressure vessel with an improved sidewall...
Patent number
4,740,262
Issue date
Apr 26, 1988
Ecodyne Corporation
William M. Yavorsky
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Temperature sensing device for thin-walled thermoplastic pressure v...
Patent number
4,735,511
Issue date
Apr 5, 1988
Ecodyne Corporation
Gary W. Gauer
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information
Patent Grant
Pressure vessel with an improved sidewall structure
Patent number
4,619,374
Issue date
Oct 28, 1986
Ecodyne Corporation
William M. Yavorsky
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL