Patents by Inventor James D. Ogden

James D. Ogden 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).

  • Pipe wipers and cups therefor
    Patent number: 4378838
    Abstract: An improved pipe wiper and cup therefor having at least one cup-like wiper lip which is strengthened by a plurality of radial webs which tend to keep the wiper lip from turning wrong side out, the wiper lip also having a plurality of external annular ridges whose diameters correspond to conventional pipe sizes so that the lip can be trimmed to proper size before use leaving an external ridge on the outer edge of the lip to enhance the wiping efficiency of the lip.
    Type: Grant
    Filed: March 6, 1981
    Date of Patent: April 5, 1983
    Assignee: Otis Engineering Corporation
    Inventors: James D. Ogden, Pat M. White