Patents by Inventor Michael Shifferd

Michael Shifferd 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).

  • Peel and stick waterproofing material
    Patent number: 10857759
    Abstract: Disclosed is waterproofing sheeting that uses a polyester layer that provides high lateral stability and puncture resistance. The waterproof sheeting can be used in many applications including waterproof roof underlayments waterproof sheeting for foundations, underlayment for tile and flooring and various other applications. The waterproof sheeting can be manufactured without many of the problems associated with the granular coatings of existing waterproof sheeting that create excessive wear and environmental hazards.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: December 8, 2020
    Assignee: TAMKO Building Products, LLC
    Inventors: David C. Humphreys, Michael Shifferd
  • PEEL AND STICK WATERPROOFING MATERIAL
    Publication number: 20180290427
    Abstract: Disclosed is waterproofing sheeting that uses a polyester layer that provides high lateral stability and puncture resistance. The waterproof sheeting can be used in many applications including waterproof roof underlayments waterproof sheeting for foundations, underlayment for tile and flooring and various other applications. The waterproof sheeting can be manufactured without many of the problems associated with the granular coatings of existing waterproof sheeting that create excessive wear and environmental hazards.
    Type: Application
    Filed: June 14, 2018
    Publication date: October 11, 2018
    Inventors: David C. Humphreys, Michael Shifferd
  • Peel and stick waterproofing material
    Patent number: 9821532
    Abstract: Disclosed is waterproofing sheeting that uses a polyester layer that provides high lateral stability and puncture resistance. The waterproof sheeting can be used in many applications including waterproof roof underlayments, waterproof sheeting for foundations, underlayment for tile and flooring and various other applications. The waterproof sheeting can be manufactured without many of the problems associated with the granular coatings of existing waterproof sheeting that create excessive wear and environmental hazards.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: November 21, 2017
    Assignee: TAMKO BUILDING PRODUCTS, INC.
    Inventors: David C. Humphreys, Michael Shifferd
  • PEEL AND STICK WATERPROOFING MATERIAL
    Publication number: 20170072660
    Abstract: Disclosed is waterproofing sheeting that uses a polyester layer that provides high lateral stability and puncture resistance. The waterproof sheeting can be used in many applications including waterproof roof underlayments, waterproof sheeting for foundations, underlayment for tile and flooring and various other applications. The waterproof sheeting can be manufactured without many of the problems associated with the granular coatings of existing waterproof sheeting that create excessive wear and environmental hazards.
    Type: Application
    Filed: November 23, 2016
    Publication date: March 16, 2017
    Inventors: David C. Humphreys, Michael Shifferd
  • Peel and stick waterproofing material
    Patent number: 9534378
    Abstract: Disclosed is waterproofing sheeting that uses a polyester layer that provides high lateral stability and puncture resistance. The waterproof sheeting can be used in many applications including waterproof roof underlayments, waterproof sheeting for foundations, underlayment for tile and flooring and various other applications. The waterproof sheeting can be manufactured without many of the problems associated with the granular coatings of existing waterproof sheeting that create excessive wear and environmental hazards.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: January 3, 2017
    Assignee: TAMKO Building Products, Inc.
    Inventors: David C. Humphreys, Steven Russell, Michael Shifferd
  • PEEL AND STICK WATERPROOFING MATERIAL
    Publication number: 20160303825
    Abstract: Disclosed is waterproofing sheeting that uses a polyester layer that provides high lateral stability and puncture resistance. The waterproof sheeting can be used in many applications including waterproof roof underlayments, waterproof sheeting for foundations, underlayment for tile and flooring and various other applications. The waterproof sheeting can be manufactured without many of the problems associated with the granular coatings of existing waterproof sheeting that create excessive wear and environmental hazards.
    Type: Application
    Filed: June 28, 2016
    Publication date: October 20, 2016
    Inventors: David C. Humphreys, Michael Shifferd
  • PEEL AND STICK WATERPROOFING MATERIAL
    Publication number: 20150259900
    Abstract: Disclosed is waterproofing sheeting that uses a polyester layer that provides high lateral stability and puncture resistance. The waterproof sheeting can be used in many applications including waterproof roof underlayments, waterproof sheeting for foundations, underlayment for tile and flooring and various other applications. The waterproof sheeting can be manufactured without many of the problems associated with the granular coatings of existing waterproof sheeting that create excessive wear and environmental hazards.
    Type: Application
    Filed: March 12, 2015
    Publication date: September 17, 2015
    Inventors: David C. Humphreys, Steven Russell, Michael Shifferd