Patents by Inventor Lawrence E. Bell

Lawrence E. Bell 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: 5329898
    Abstract: An oil seal, and in combination therewith a housing having a bore with a non-continuous groove. The oil seal has a locking or retention rib held within the non-continuous groove and a second sealing rib in compression fit against the sealing surface of the bore.
    Type: Grant
    Filed: May 5, 1993
    Date of Patent: July 19, 1994
    Assignee: Freudenerg-NOK General Partnership
    Inventors: John J. Nelson, Lawrence E. Bell
  • Patent number: 5285754
    Abstract: A one-piece valve cover product for use on an internal combustion engine having an engine cylinder head, said cover product including dome-like upper portion which acts as a cover over the cylinder head area of the engine, a peripheral flange portion adapted for sealing engagement to the cylinder head, a plurality of apertures through said flange portion through which a plurality of fasteners can be inserted to secure said cover product in sealing engagement to the cylinder head, said valve cover including in an upper portion thereof a molded or cast conduit passageway member formed as part of the valve cover itself, said passageway member extending inside the cover and being adapted to receive an air/oil vapor mixture associated with operation of the engine and to condense oil out of said air/oil mixture, at least one or more apertures located in a lower part of that passageway member to permit the oil droplets which are condensed, to drain back into the engine, and wherein said valve cover is formed from a
    Type: Grant
    Filed: July 12, 1993
    Date of Patent: February 15, 1994
    Assignee: Freudenberg-NOK General Partnership
    Inventor: Lawrence E. Bell