Patents by Inventor Ronald M. Sendak

Ronald M. Sendak 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).

  • System for removing lubricating oil from an internal combustion engine oil pan
    Patent number: 5148785
    Abstract: The disclosure relates to a system for removing lubricating oil from an internal combustion engine oil pan or sump through an associated dipstick. The lubricating oil removing system includes an electric pump which is connected by two wires and associated alligator clamps to a D.C. battery of the associated automobile and to an electric switch of an electric motor of a direct current pump. The pump includes two tubes, a first of which is introduced into the engine oil pan or sump through the dipstick tube and a second of which conducts oil to a reservoir, such as a collection tank, container or jug.
    Type: Grant
    Filed: May 28, 1991
    Date of Patent: September 22, 1992
    Assignee: Sendak International Corp.
    Inventor: Ronald M. Sendak
  • Pump for changing oil or the like
    Patent number: D248396
    Type: Grant
    Filed: August 31, 1976
    Date of Patent: July 4, 1978
    Inventor: Ronald M. Sendak