Patents by Inventor Eric C. Kjaer-Pedersen

Eric C. Kjaer-Pedersen 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).

  • Cavity jacket for plunger piston
    Patent number: 6131502
    Abstract: A device for inhibiting glass from falling into an annular cavity formed between a plunger piston and an inner piston telescopically journalled within a longitudinal cavity within the plunger piston includes a rigid sleeve mountable to the plunger piston, adjacent walls of the longitudinal cavity, so as to substantially fill the annular cavity. The sleeve is mountable into snug sliding relation with the inner piston.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: October 17, 2000
    Assignee: Kare Innovation Corporation
    Inventors: Eric C. Kjaer-Pedersen, Kenneth D. Wilson