Patents by Inventor Michael Heyer

Michael Heyer 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).

  • VIBRATION DAMPER, BICYCLE FORK, SPRING STRUT, AND USE OF A VIBRATION DAMPER
    Publication number: 20240149970
    Abstract: A vibration damper with amplitude-dependent damping, with a cylindrical compensation space attached fluidically, in parallel to the vibration damper and is split by way of a displaceable separating piston, the vibration damper comprising a working piston, the working piston being received displaceably in a damper tube, the working piston dividing the damper tube into a first damping space and a second damping space, the separating piston being received axially displaceably in the compensation space, the separating piston dividing the compensation space into a first part space and a second part space, the first part space being connected fluidically to the first damping space, the second part space being connected fluidically to the damping space, the vibration damper being equipped with a throttle device for influencing the fluid flow between the first part space and the first damping space and/or between the second part space and the second damping space.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 9, 2024
    Applicants: thyssenkrupp Bilstein GmbH, thyssenkrupp AG
    Inventors: Michael HEYER, Hanno LUCZAK, Dennis GUNDLACH, Daniel HANSEN
  • Sun protection agents
    Patent number: 6500410
    Abstract: The invention relates to sun-protection agents containing (a) water soluble &bgr;-(1,3) glucans that are substantially devoid of &bgr;-(1,6) links, and (b) UV sun-protection factors.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: December 31, 2002
    Assignee: Biotec Pharmacon ASA
    Inventors: Ute Griesbach, Rolf Wachter, Bernd Fabry, Michael Heyer, Rolf E. Engstad
  • Hair cosmetic preparations containing cationic biopolymers
    Patent number: 6248313
    Abstract: A hair cosmetic formulation containing a cationic bipolymer and a polyvinylpyrrolidone/viny acetate copolymer in a weight ratio from 1:10 to 1:50.
    Type: Grant
    Filed: February 24, 1998
    Date of Patent: June 19, 2001
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Rolf Wachter, Joerg Kahre, Matthias Hofmann, Michael Heyer