Patents by Inventor Peter G. De Raymond

Peter G. De Raymond 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: 4678208
    Abstract: An elastomeric gasket for a segmented pipe coupling has ends which extend beyond the ends of the coupling segment, and which are retractable into skirt portions of the gasket formed at the respective ends thereof, the compressive force exerted on the end faces of the gasket being derived from the spring force stored in the gasket material when under compression and being substantially constant without regard to oversizing or undersizing of the pipes to be sealed.
    Type: Grant
    Filed: October 7, 1986
    Date of Patent: July 7, 1987
    Assignee: Victaulic Company of America
    Inventor: Peter G. De Raymond