Patents by Inventor Albert Plomp

Albert Plomp 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).

  • Publication number: 20050133218
    Abstract: A packer cup for use in sealing the interior of a pipe under pressure is described. The cup uses a bell-shaped end which has a lip of softer material which is integral with the body of the cup which is harder material. Under pressure the lip expands against the side of the pipe and as pressure increases the body of the bell also expands against the pipe.
    Type: Application
    Filed: December 17, 2003
    Publication date: June 23, 2005
    Inventor: Albert Plomp