Patents by Inventor Randal A. Kieliszewski

Randal A. Kieliszewski 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: 6092773
    Abstract: A retrievable rock-climbing anchor for potentially holding a climber to a climbable structure is disclosed. In particular, there is a retrievable rock-climbing anchor that performs better than the prior art. A further feature of the invention is to provide a retrievable rock-climbing anchor, comprising a wedge device having a passive and active wedges; with main and retraction cables coupled at one end to the passive and active wedges respectively. There is also a transverse pull component, fixedly coupled to the retraction cable, and slidably coupled to the main cable, and designed to retract the active wedge by applying a first force thereto, in order to remove the climbing anchor from the climbable structure. There is further a retrieval loop, coupled to a second end of the retraction cable, designed to retract the active wedge and the transverse pull component by applying a second force, which can be larger than the first force, to the retrieval loop.
    Type: Grant
    Filed: March 5, 1999
    Date of Patent: July 25, 2000
    Inventor: Randal A. Kieliszewski