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William L. Zepp
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Sunbright, TN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Corrugated metal vent pipe and associated system and method
Patent number
9,890,877
Issue date
Feb 13, 2018
Contech Engineered Solutions LLC
Greg L. Robbins
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pipe joint and related method
Patent number
8,678,449
Issue date
Mar 25, 2014
Contech Engineered Solutions LLC
William Zepp
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Pipe joint and related method
Patent number
8,109,540
Issue date
Feb 7, 2012
Contech Construction Products Inc.
William Zepp
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Apparatus for producing helically corrugated metal pipe and related...
Patent number
7,574,886
Issue date
Aug 18, 2009
Contech Construction Products Inc.
William L. Zepp
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for producing helically corrugated metal pipe and related...
Patent number
7,404,308
Issue date
Jul 29, 2008
Contech Construction Products Inc.
William L. Zepp
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
PIPE JOINT FOR PLASTIC PIPES
Publication number
20190331271
Publication date
Oct 31, 2019
Contech Engineered Solutions LLC
Timothy J. CORMIER
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
PIPE JOINT FOR PLASTIC PIPES
Publication number
20170045167
Publication date
Feb 16, 2017
Contech Engineered Solutions LLC
Timothy J. Cormier
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
CORRUGATED METAL VENT PIPE AND ASSOCIATED SYSTEM AND METHOD
Publication number
20160050948
Publication date
Feb 25, 2016
Greg L. Robbins
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
TANK ASSEMBLY AND RELATED METHOD OF MANUFACTURE
Publication number
20130327778
Publication date
Dec 12, 2013
Darrell J. Sanders
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PIPE JOINT AND RELATED METHOD
Publication number
20120168021
Publication date
Jul 5, 2012
William Zepp
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Platform Mill for Producing Helically Wound Pipe and Related Method
Publication number
20120151978
Publication date
Jun 21, 2012
William L. Zepp
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Pipe Joint and Related Method
Publication number
20090295149
Publication date
Dec 3, 2009
William Zepp
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
APPARATUS FOR PRODUCING HELICALLY CORRUGATED METAL PIPE AND RELATED...
Publication number
20080264510
Publication date
Oct 30, 2008
Contech Construction Products Inc.
William L. Zepp
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Apparatus for producing helically corrugated metal pipe and related...
Publication number
20080072642
Publication date
Mar 27, 2008
William L. Zepp
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method of producing helically corrugated metal pipe and related pip...
Publication number
20070245789
Publication date
Oct 25, 2007
William L. Zepp
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...