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Geoffrey N. Ehrman
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Doylestown, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Self-adhering drainage-promoting wrap
Patent number
11,913,219
Issue date
Feb 27, 2024
Benjamin Obdyke Incorporated
Geoffrey Ehrman
E04 - BUILDING
Information
Patent Grant
Openwork spacer for use within an exterior building structure
Patent number
11,725,381
Issue date
Aug 15, 2023
Benjamin Obdyke Incorporated
Geoffrey Ehrman
E04 - BUILDING
Information
Patent Grant
Water-resistive barrier, and exterior wall or roof assembly
Patent number
8,596,004
Issue date
Dec 3, 2013
Benjamin Obdyke Incorporated
Michael S. Coulton
B32 - LAYERED PRODUCTS
Information
Patent Grant
Water-resistive barrier, exterior wall or roof assembly, and method...
Patent number
8,387,336
Issue date
Mar 5, 2013
Benjamin Obdyke Incorporated
Michael S. Coulton
B32 - LAYERED PRODUCTS
Information
Patent Grant
Housewrap material
Patent number
D657958
Issue date
Apr 24, 2012
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
D05 - Textile or paper yard goods
Information
Patent Grant
Drainage-promoting wrap for an exterior wall or roof of a building
Patent number
7,858,174
Issue date
Dec 28, 2010
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
E04 - BUILDING
Information
Patent Grant
Masonry cavity wall having a compressible, expandable debris blocke...
Patent number
7,810,292
Issue date
Oct 12, 2010
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
E04 - BUILDING
Information
Patent Grant
Drainage-promoting wrap for an exterior wall or roof of a building
Patent number
7,607,270
Issue date
Oct 27, 2009
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Masonry cavity wall having a compressible, expandable debris blocker
Patent number
7,526,900
Issue date
May 5, 2009
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
E04 - BUILDING
Information
Patent Grant
Roof ridge vent, assembly and method of installation
Patent number
7,393,273
Issue date
Jul 1, 2008
Benjamin Obdyke, Inc.
Geoffrey N. Ehrman
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Method of making a rolled roof vent
Patent number
5,902,432
Issue date
May 11, 1999
Benjamin Obdyke, Inc.
Michael S. Coulton
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Rolled roof vent and method of making same
Patent number
5,673,521
Issue date
Oct 7, 1997
Benjamin Obdyke Incorporated
Michael S. Coulton
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Ventilated roof construction and method
Patent number
5,099,627
Issue date
Mar 31, 1992
Benjamin Obdyke Incorporated
Michael S. Coulton
E04 - BUILDING
Patents Applications
last 30 patents
Information
Patent Application
SELF-ADHERING DRAINAGE-PROMOTING WRAP
Publication number
20210388606
Publication date
Dec 16, 2021
Benjamin Obdyke Incorporated
Geoffrey Ehrman
B32 - LAYERED PRODUCTS
Information
Patent Application
OPENWORK SPACER FOR USE WITHIN AN EXTERIOR BUILDING STRUCTURE
Publication number
20210207365
Publication date
Jul 8, 2021
Benjamin Obdyke Incorporated
Geoffrey Ehrman
E04 - BUILDING
Information
Patent Application
Water-Resistive Barrier, and Exterior Wall or Roof Assembly
Publication number
20130139457
Publication date
Jun 6, 2013
Benjamin Obdyke Incorporated
Michael S. Coulton
B32 - LAYERED PRODUCTS
Information
Patent Application
Drainage-Promoting Wrap
Publication number
20120297711
Publication date
Nov 29, 2012
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
B32 - LAYERED PRODUCTS
Information
Patent Application
Flexible Flashing Material And Method of Manufacture
Publication number
20100139178
Publication date
Jun 10, 2010
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Drainage-Promoting Wrap for an Exterior Wall or Roof of a Building
Publication number
20090320399
Publication date
Dec 31, 2009
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
E04 - BUILDING
Information
Patent Application
Masonry Cavity Wall having a Compressible, Expandable Debris Blocke...
Publication number
20090126290
Publication date
May 21, 2009
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
E04 - BUILDING
Information
Patent Application
Water-Resistive Barrier, Exterior Wall or Roof Assembly, and Method...
Publication number
20090038249
Publication date
Feb 12, 2009
Benjamin Obdyke Incorporated
Michael S. Coulton
B32 - LAYERED PRODUCTS
Information
Patent Application
Patch Assembly for Roof Decking and Method
Publication number
20080148669
Publication date
Jun 26, 2008
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
E04 - BUILDING
Information
Patent Application
Drainage-Promoting Wrap for an Exterior Wall or Roof of a Building
Publication number
20080041005
Publication date
Feb 21, 2008
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
E04 - BUILDING
Information
Patent Application
Roof Ridge Vent, Assembly and Method of Installation
Publication number
20070054612
Publication date
Mar 8, 2007
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
F24 - HEATING RANGES VENTILATING
Information
Patent Application
Masonry cavity wall and method of assembly
Publication number
20060117687
Publication date
Jun 8, 2006
Benjamin Obdyke Incorporated
Geoffrey N. Ehrman
E04 - BUILDING