Patents by Inventor Alfred Rampl

Alfred Rampl 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).

  • Pneumatic vehicle tire with radial ply carcass and tread member composed of a base layer situated closer to the tire axis and a cap layer arranged on top thereof
    Patent number: 4739811
    Abstract: The pneumatic vehicle tire comprises a radial ply carcass, two side walls, a tread member and a belt or breaker comprising at least one cord layer. The tread member is composed of a base layer positioned closer to the tire axis and a cap layer arranged on top thereof. For particularly favorably affecting the rolling behavior of the tire the base layer forms a trough in which the cap layer is accommodated.
    Type: Grant
    Filed: November 21, 1986
    Date of Patent: April 26, 1988
    Assignee: Semperit Reifen Aktiengesellschaft
    Inventor: Alfred Rampl
  • Pneumatic vehicle tire with radial ply carcass and tread member composed of a base layer closer to the tire axis and a cap layer arranged on top thereof
    Patent number: 4580608
    Abstract: The pneumatic vehicle tire comprises a radial ply carcass, two side walls, a tread member and a belt or breaker comprising at least one cord layer. The tread member is composed of a base layer positioned closer to the tire axis and a cap layer arranged on top thereof. For particularly favorable affecting the rolling behavior of the tire the base layer forms a trough in which the cap layer is accommodated.
    Type: Grant
    Filed: October 5, 1983
    Date of Patent: April 8, 1986
    Assignee: Semperit AG
    Inventor: Alfred Rampl
  • Tire
    Patent number: D263579
    Type: Grant
    Filed: November 29, 1978
    Date of Patent: March 30, 1982
    Assignee: Deutschen Semperit Gesellschaft m.b.H.
    Inventor: Alfred Rampl