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Campbell H. Steketee Jr.
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Salem, OR, US
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus for manufacturing a replacement pipe liner in reduced form
Patent number
6,135,748
Issue date
Oct 24, 2000
INA Acquisition Corp.
Campbell H. Steketee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Replacement pipe for installation in an existing conduit
Patent number
6,089,275
Issue date
Jul 18, 2000
INA Acquisition Corp.
Campbell H. Steketee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for manufacturing a replacement pipe for installation in an...
Patent number
5,589,131
Issue date
Dec 31, 1996
NuPipe, Inc.
Campbell H. Steketee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing a pipe liner for installation in an existin...
Patent number
5,587,126
Issue date
Dec 24, 1996
NuPipe, Inc.
Campbell H. Steketee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of removal of replacement pipe installed in an existing conduit
Patent number
5,447,665
Issue date
Sep 5, 1995
NuPipe, Inc.
Campbell H. Steketee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for installing a length of substantially rigid thermoplastic...
Patent number
5,397,513
Issue date
Mar 14, 1995
NuPipe, Inc.
Campbell H. Steketee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of installing a new pipe inside an existing conduit by progr...
Patent number
5,368,809
Issue date
Nov 29, 1994
NuPipe, Inc.
Campbell H. Steketee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of installing a new pipe inside an existing conduit by progr...
Patent number
5,244,624
Issue date
Sep 14, 1993
NuPipe, Inc.
Campbell H. Steketee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method for installing a substantially rigid thermoplastic pipe in a...
Patent number
5,034,180
Issue date
Jul 23, 1991
NuPipe, Inc.
Campbell H. Steketee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for installing a new pipe inside an existing pipeline
Patent number
4,867,921
Issue date
Sep 19, 1989
Nu-Pipe, Inc.
Campbell H. Steketee
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for seeking out and repairing leaks in pipes
Patent number
4,429,720
Issue date
Feb 7, 1984
Richard D. Beck
E21 - EARTH DRILLING MINING