Patents by Inventor Jan Kotlas

Jan Kotlas 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).

  • Patent number: 8162014
    Abstract: Tire for motor-vehicles provided with a tread pattern wear indicator, where the tire tread is formed by pattern parts in the form of circumferential ribs and/or in the form of blocks and contains at least one circumferential groove, wherein the indicator is arranged in the surface part of the pattern in the circumferential ribs or blocks, which are in contact with the road surface, and is in the form of sipes running radially into tire tread, while the greatest depth of the indicator sipes is smaller than the depth (H) of the circumferential groove. The tread pattern wear indicator (3) consists of seven radial sipes of three different depths, created and arranged so that they form the Arabic numeral 8 in segment depiction.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: April 24, 2012
    Assignee: Continental Matador Rubber, s.r.o.
    Inventors: Martin Moško, Ján Kotlas
  • Publication number: 20090008009
    Abstract: Tyre for motor-vehicles provided with a tread pattern wear indicator, where the tyre tread is formed by pattern parts in the form of circumferential ribs and/or in the form of blocks and contains at least one circumferential groove, wherein the indicator is arranged in the surface part of the pattern in the circumferential ribs or blocks, which are in contact with the road surface, and is in the form of sipes running radially into tyre tread, while the greatest depth of the indicator sipes is smaller than the depth (H) of the circumferential groove. The tread pattern wear indicator (3) consists of seven radial sipes of three different depths, created and arranged so that they form the Arabic numeral 8 in segment depiction.
    Type: Application
    Filed: February 27, 2007
    Publication date: January 8, 2009
    Inventors: Martin Mosko, Jan Kotlas
  • Patent number: D892712
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: August 11, 2020
    Assignee: Continental Reifen Deutschland GmbH
    Inventor: Jan Kotlas
  • Patent number: D894097
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: August 25, 2020
    Assignee: Continental Reifen Deutschland GmbH
    Inventor: Jan Kotlas