Patents by Inventor Christopher H. Collins

Christopher H. Collins 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).

  • CROSS LINKING MEMBRANE SURFACES
    Publication number: 20110256378
    Abstract: The present invention relates, in part, to high energy processes for manufacturing cross-linked polyolefins. The polyolefins described herein are capable of undergoing further processing without compromising their physical properties and dynamic performance.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 20, 2011
    Inventors: Christopher H. Collins, Imtiaz J. Rangwalla
  • Barbell collar apparatus
    Patent number: 5295934
    Abstract: A barbell collar includes a collar and sleeve arrangement that are telescopingly displaceable relative to one another to permit adjustment along a barbell support rod. Retractable detent spheres are mounted within the sleeve for engagement with annular grooves of the barbell to effect selective securement and positioning of the sleeve structure relative to the barbell rod.
    Type: Grant
    Filed: February 3, 1993
    Date of Patent: March 22, 1994
    Inventors: Christopher H. Collins, Matthew M. Collins