Patents by Inventor Noman Maciejewski

Noman Maciejewski 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).

  • Method of making a hydraulic pump housing
    Patent number: 4656710
    Abstract: A housing assembly for a hydraulic pump unit utilized in motor vehicles wherein a housing body is deep drawn from a circular blank of a typically high strength, low alloy steel. A drawn elongate valve sleeve is attached to the housing body by a stamped saddle member. The valve sleeve, saddle member, and housing body are produced with appropriate fluid passages and ports for the flow of hydraulic fluid through the housing assembly.
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: April 14, 1987
    Inventor: Noman Maciejewski