Patents by Inventor Jacob H. Sperman

Jacob H. Sperman 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: 3981546
    Abstract: The disclosure describes a floating bearing consisting of a plate, desirably rectangular but of other possible shapes and forms, which has an internal passageway system permitting air under pressure to be fed into the plate at one side thereof and to be discharged along the upper or lower faces of the plate, depending upon the side which is to be supported. The bearing plate or pad upon the side which carries the discharge openings for the air which insures the floating effect are desirably provided with a series of grooves or recesses in random or linear formation desirably in circular form, on the discharge face, which will engage the flowing air or fluid and tend to retain it for a longer period than a flat face.
    Type: Grant
    Filed: September 29, 1969
    Date of Patent: September 21, 1976
    Inventor: Jacob H. Sperman