Patents by Inventor Randolph Gaa

Randolph Gaa 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).

  • Bearing bush
    Patent number: 11078963
    Abstract: A bearing bush includes at least one sealing element and one bearing element. The sealing element is provided with at least one sealing lip. The bearing element is substantially tubular. The bearing element includes a plurality of protrusions extending in the axial direction on the outer circumference. The inner diameter of the bearing element is larger in the sections corresponding to the protrusions than in the remaining sections.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: August 3, 2021
    Assignee: CARL FREUDENBERG KG
    Inventors: Frank Schoenberg, Matthias Hauer, Christoph L. Klingshirn, Wojciech Kokoszynski, Randolph Gaa, Stephen Joyce, Joram Wiggers, Dean Morrison, Simon Watling, Juergen Emig
  • SEALING BODY FOR DYNAMIC APPLICATIONS
    Publication number: 20210108116
    Abstract: A sealing body is for dynamic applications. The sealing body includes an elastomer material including epichlorohydrin rubber (ECO) as a rubber; and carbon nanotubes distributed in the elastomer material in an amount in a range from 0.4 to 10 phr, based on 100 parts by weight of rubber. The body has a Shore A hardness of in a range from 60 to 100.
    Type: Application
    Filed: December 1, 2020
    Publication date: April 15, 2021
    Inventors: Boris Traber, Christine Portela Cubillo, Helmut Leitner, Randolph Gaa, Olaf Kobs
  • Sealing body for dynamic applications
    Patent number: 10883029
    Abstract: A sealing body for dynamic applications has a Shore A hardness of between 60-100, comprising an elastomer material and carbon nanotubes distributed in the elastomer material in an amount of between 0.1-20 phr, with respect to the total amount of elastomer material.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: January 5, 2021
    Assignee: CARL FREUDENBERG KG
    Inventors: Boris Traber, Christine Portela Cubillo, Helmut Leitner, Randolph Gaa, Olaf Kobs
  • BEARING BUSH
    Publication number: 20200277992
    Abstract: A bearing bush includes at least one sealing element and one bearing element. The sealing element is provided with at least one sealing lip. The bearing element is substantially tubular. The bearing element includes a plurality of protrusions extending in the axial direction on the outer circumference. The inner diameter of the bearing element is larger in the sections corresponding to the protrusions than in the remaining sections.
    Type: Application
    Filed: February 24, 2020
    Publication date: September 3, 2020
    Inventors: Frank Schoenberg, Matthias Hauer, Christoph L. Klingshirn, Wojciech Kokoszynski, Randolph Gaa, Stephen Joyce, Joram Wiggers, Dean Morrison, Simon Watling, Juergen Emig
  • SEALING BODY FOR DYNAMIC APPLICATIONS
    Publication number: 20170292051
    Abstract: A sealing body for dynamic applications has a Shore A hardness of between 60-100, comprising an elastomer material and carbon nanotubes distributed in the elastomer material in an amount of between 0.1-20 phr, with respect to the total amount of elastomer material.
    Type: Application
    Filed: September 14, 2015
    Publication date: October 12, 2017
    Inventors: Boris Traber, Christine Portela Cubillo, Helmut Leitner, Randolph Gaa, Olaf Kobs