Patents by Inventor Richard B. Nissen

Richard B. Nissen 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).

  • Tube to be fed into a pipelike cavity
    Patent number: 4582092
    Abstract: Tube to be introduced in a pipelike cavity, and where the forward end of the tube is secured to the entrance to this cavity, and the following part of the tube is introduced through this forward end by a turning inside out, and where the tube to facilitate this operation in its internal layer, which after the introducing turns outside, has build-in compression stresses and/or in its outer layer, which after introducing turns inward, has build-in tension stresses.
    Type: Grant
    Filed: September 18, 1984
    Date of Patent: April 15, 1986
    Inventor: Richard B. Nissen