Patents by Inventor Hendry Wreinert

Hendry Wreinert 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: 5000137
    Abstract: The invention concerns a push rod for combustion engines and a method of manufacturing said push rod. The push rod comprises a tubular intermediate member, a push rod seat element one end of which acts on a rocker arm positioned adjacent the cylinder valve and the opposite end of which is mounted on one end of the intermediate member, and a push rod end element one end of which abuts against a valve lifter positioned adjacent the camshaft and the opposite end of which is mounted on the opposite end of the intermediate member. The intermediate member is also provided with longitudinal slits positioned at the two end portions of the member, allowing the push rod seat element and the push rod end element to be mounted onto the intermediate member by being forced onto their respective end portion thereof.
    Type: Grant
    Filed: May 23, 1990
    Date of Patent: March 19, 1991
    Assignee: AB Volvo
    Inventors: Hendry Wreinert, Lars Tenglund