Patents by Inventor Donald R. Kirk

Donald R. Kirk has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220126547
    Abstract: An asphaltic sheet comprising an asphaltic component including an asphalt binder and expandable graphite.
    Type: Application
    Filed: January 10, 2022
    Publication date: April 28, 2022
    Inventors: Wensheng ZHOU, Donald R. KIRK, James YOUNG, Robert ANDERSON, Joseph STANDEFORD, Lance BLACK
  • Patent number: 11230085
    Abstract: An asphaltic sheet comprising an asphaltic component including an asphalt binder and expandable graphite.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: January 25, 2022
    Assignee: Firestone Building Products Company, LLC
    Inventors: Wensheng Zhou, Donald R. Kirk, James Young, Robert Anderson, Joseph Standeford, Lance Black
  • Publication number: 20180326702
    Abstract: An asphaltic sheet comprising an asphaltic component including an asphalt binder and expandable graphite.
    Type: Application
    Filed: June 19, 2018
    Publication date: November 15, 2018
    Inventors: Wensheng ZHOU, Donald R. KIRK, James YOUNG, Robert ANDERSON, Joseph STANDEFORD, Lance BLACK
  • Patent number: 10011092
    Abstract: An asphaltic sheet comprising an asphaltic component including an asphalt binder and expandable graphite.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: July 3, 2018
    Assignee: Firestone Building Products Co., LLC
    Inventors: Wensheng Zhou, Donald R. Kirk, James Young, Robert Anderson, Joseph Standeford, Lance Black
  • Publication number: 20160347033
    Abstract: An asphaltic sheet comprising an asphaltic component including an asphalt binder and expandable graphite.
    Type: Application
    Filed: August 12, 2016
    Publication date: December 1, 2016
    Applicant: FIRESTONE BUILDING PRODUCTS CO., LLC
    Inventors: Wensheng ZHOU, Donald R. KIRK, James YOUNG, Robert ANDERSON, Joseph STANDEFORD, Lance BLACK
  • Patent number: 9441140
    Abstract: An asphaltic sheet comprising an asphaltic component including an asphalt binder and expandable graphite.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 13, 2016
    Assignee: Firestone Building Products Co., LLC
    Inventors: Wensheng Zhou, Donald R. Kirk, James Young, Robert Anderson, Joseph Standeford, Lance Black
  • Publication number: 20150040503
    Abstract: A roof system comprising a roof deck, an insulation layer, a coverboard disposed over said insulation layer, where said coverboard includes a foam core and a facer including a fibrous mat and an interfacial region disposed between said core and said mat, and a layer of asphalt.
    Type: Application
    Filed: August 8, 2014
    Publication date: February 12, 2015
    Inventors: Timothy D. TACKETT, Wensheng ZHOU, Donald R. KIRK, Greg J. ORTWEIN, Todd TAYKOWSKI, Michael J. HUBBARD, William R. McJUNKINS
  • Patent number: 5419647
    Abstract: A built-up roofing structure (10) is provided which is characterized by low dead weight, enhanced fire retardancy, and ease of construction. The structure (10) includes a lowermost deck (12) with integrated, insulative sections (24) applied thereover an adhered in place by a novel fire retardant mastic (27); the sections (24) each include a preformed expanded foam layer (14) covered by a roofing board (16). A modified bitumen membrane (18) is applied over and completes the roofing structure (10). The improved mastic includes asphalt, low volatility mineral spirits and a fire retardant additive such as an intumescent glass, and particularly a borosilicate glass. The mastic is advantageously applied using a spreader apparatus (30) having an elongated, tubular, apertured mastic delivery bar (32, 58) and a spreader means (46, 62) with a plurality of separate, spaced apart, lightweight trailing spreader chains (48).
    Type: Grant
    Filed: November 23, 1993
    Date of Patent: May 30, 1995
    Assignee: Paul L. Morris
    Inventors: Donald R. Kirk, Paul L. Morris
  • Patent number: 5102463
    Abstract: Disclosed is a fire retardant asphalt composition. The composition comprises:(a) about 40-60% wt asphalt;(b) about 1-20% wt thermoplastic;(c) about 15-40% wt flame retarding agent; and(d) the flame retarding agent comprises:(i) about 65-95% weight ammonium sulfate,(ii) about 1% weight silicone polymer.
    Type: Grant
    Filed: November 1, 1989
    Date of Patent: April 7, 1992
    Assignee: Tamko Asphalt Products, Inc.
    Inventors: Randal J. Jolitz, Donald R. Kirk
  • Patent number: 5026747
    Abstract: Disclosed is a fire retardant asphalt composition. The composition comprises:(a) about 40-60% wt asphalt;(b) about 1-20% wt thermoplastic;(c) about 15-40% wt flame retarding agent; and(d) the flame retarding agent comprises:(i) about 65-95% weight potassium citrate,(ii) about 1% weight silicone polymer.
    Type: Grant
    Filed: November 1, 1989
    Date of Patent: June 25, 1991
    Assignee: Tamko Asphalt Products, Inc.
    Inventors: Randal J. Jolitz, Donald R. Kirk
  • Patent number: 4804696
    Abstract: Disclosed is a fire retardant asphalt composition. The composition comprises:(a) about 40-60% wt asphalt;(b) about 1-20% wt thermoplastic;(c) about 30-40% wt flame retarding agent; and(d) the flame retarding agent comprises:(i) about 65-80% weight monoammonium phosphate,(ii) about 5-15% weight ammonium sulfate; and(iii) about 1% weight silicone polymer.Variations of this composition have passed the UL 790 test for Class A flame retardant materials.
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: February 14, 1989
    Assignee: Tamko Asphalt Products, Inc.
    Inventors: Randal J. Jolitz, Donald R. Kirk