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THE HARRINGTON CORPORATION
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Lynchburg, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Polyethylene pipe saddle
Patent number
D998108
Issue date
Sep 5, 2023
The Harrington Corporation
Isaac Dixon Wood
D23 - Environmental heating and cooling
Information
Patent Grant
Connection system for push joint valve and fittings
Patent number
11,306,856
Issue date
Apr 19, 2022
The Harrington Corporation
Sean Brian Routon
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Joint restraint for pipe fittings
Patent number
7,552,949
Issue date
Jun 30, 2009
The Harrington Corporation
John E. Riordan, III
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Quick coupler anchor
Patent number
7,255,124
Issue date
Aug 14, 2007
The Harrington Corporation
John Emmett Riordan, III
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Lateral connection system
Patent number
7,055,865
Issue date
Jun 6, 2006
The Harrington Corporation
John Emmett Riordan, III
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Coupling for joining pipe fittings having offset lug restraints
Patent number
5,464,257
Issue date
Nov 7, 1995
The Harrington Corporation
Gordon S. Riddles
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
CONNECTION SYSTEM FOR PUSH JOINT VALVE AND FITTINGS
Publication number
20180252350
Publication date
Sep 6, 2018
THE HARRINGTON CORPORATION
Sean Brian Routon
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Lateral connection system
Publication number
20050087982
Publication date
Apr 28, 2005
THE HARRINGTON CORPORATION
John Emmett Riordan
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Quick coupler anchor
Publication number
20050067018
Publication date
Mar 31, 2005
THE HARRINGTON CORPORATION
John Emmett Riordan
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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last 30 trademarks