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Steve L. DeBoalt
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Birmingham, AL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Pipe joint with low insertion load, improved retention and increase...
Patent number
11,118,710
Issue date
Sep 14, 2021
American Cast Iron Pipe Company
Stephen L. DeBoalt
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pipe joint with low insertion load, improved retention and increase...
Patent number
10,400,924
Issue date
Sep 3, 2019
American Cast Iron Pipe Company
Stephen L. DeBoalt
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of manufacturing a unitary gasket using two rubber materials...
Patent number
10,352,486
Issue date
Jul 16, 2019
American Cast Iron Pipe Company
Stephen L. DeBoalt
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Apparatus for assembling bell and spigot pipe joints
Patent number
5,520,419
Issue date
May 28, 1996
American Cast Iron Pipe Company
Stephen L. DeBoalt
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Method of assembling bell and spigot pipe joints
Patent number
5,426,842
Issue date
Jun 27, 1995
American Cast Iron Pipe Company
Stephen L. DeBoalt
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Gasket for field adaptable push-on restrained joint and joint thus...
Patent number
5,067,751
Issue date
Nov 26, 1991
American Cast Iron Pipe Company
Van T. Walworth
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
PIPE JOINT WITH LOW INSERTION LOAD, IMPROVED RETENTION AND HIGH PRE...
Publication number
20170184230
Publication date
Jun 29, 2017
American Cast Iron Pipe Company
Stephen L. DeBoalt
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Pipe joint with low insertion load, improved retention and increase...
Publication number
20170184229
Publication date
Jun 29, 2017
American Cast Iron Pipe Company
Stephen L. DeBoalt
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...