Patents by Inventor Patrick Landoll

Patrick Landoll 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).

  • Accumulator for airless spraying apparatus
    Patent number: 4678010
    Abstract: A gas-liquid piston accumulator having improved piston lubrication by providing a plurality of blind hole lubricating passages around the periphery of the piston.
    Type: Grant
    Filed: February 22, 1985
    Date of Patent: July 7, 1987
    Assignees: Gene Purvis, Russell Phelps, Tim Dupler
    Inventors: Gene Purvis, Russell Phelps, Tim Dupler, Patrick Landoll, Leonard Landoll