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Bill Dean Andrew
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Tulsa, OK, US
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last 30 patents
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Patent Grant
Indexer system for use with a plastic pipe butt-fusion machine
Patent number
6,550,514
Issue date
Apr 22, 2003
Connectra Fusion Technologies, LLC
Bill D. Andrew
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic pipe butt fusion machine and cart assembly
Patent number
5,843,271
Issue date
Dec 1, 1998
TDW Delaware, Inc.
Bill Dean Andrew
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for butt welding thermoplastic pipe including automatic drag...
Patent number
5,788,790
Issue date
Aug 4, 1998
TDW Delaware, Inc.
Bill Dean Andrew
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Butt fusion machine for manufacturing full size segemented pipe turns
Patent number
5,770,006
Issue date
Jun 23, 1998
TDW Delaware, Inc.
Bill Dean Andrew
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic pipe facer for butt fusion application
Patent number
5,725,724
Issue date
Mar 10, 1998
TDW Delaware, Inc.
Bill Dean Andrew
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of inserting a sensor into a pipeline
Patent number
5,612,499
Issue date
Mar 18, 1997
TDW Delaware, Inc.
Bill D. Andrew
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Device for plugging the interior of a pipe
Patent number
5,531,250
Issue date
Jul 2, 1996
TDW Delaware, Inc.
Eric N. Freeman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
High pressure tapping apparatus
Patent number
5,439,331
Issue date
Aug 8, 1995
TDW Delaware, Inc.
Bill D. Andrew
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...