Patents by Inventor Calvin Ray Runia

Calvin Ray Runia 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: 10654498
    Abstract: A zipline trolley brake system comprising trolley rollers, brake rollers, and an arm for controlling the brake rollers, which are connected by a plurality of connectors. The trolley slows and brakes when the arm causes a squeezing motion on the cable by the joint rolling of the trolley rollers and the brake rollers on the cable. The trolley moves when the arm moves to cause the brake rollers not to touch the cable.
    Type: Grant
    Filed: May 22, 2018
    Date of Patent: May 19, 2020
    Inventor: Calvin Ray Runia
  • Publication number: 20190359234
    Abstract: A zipline trolley brake system comprising trolley rollers, brake rollers, and an arm for controlling the brake rollers, which are connected by a plurality of connectors. The trolley slows and brakes when the arm causes a squeezing motion on the cable by the joint rolling of the trolley rollers and the brake rollers on the cable. The trolley moves when the arm moves to cause the brake rollers not to touch the cable.
    Type: Application
    Filed: May 22, 2018
    Publication date: November 28, 2019
    Inventor: Calvin Ray Runia