Patents by Inventor Gerhard Hinrichsen

Gerhard Hinrichsen 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).

  • Digital correlation receiver
    Patent number: 4112498
    Abstract: A digital correlation receiver, particularly for satellite communications transmission, wherein the signal channels or bursts, from various ground stations, combined in a time division multiplex (t.d.m.
    Type: Grant
    Filed: February 3, 1977
    Date of Patent: September 5, 1978
    Assignee: Siemens Aktiengesellschaft
    Inventors: Udo Reiner, Gerhard Hinrichsen
  • Pipe driving apparatus
    Patent number: 4082248
    Abstract: A pipe-driving apparatus has a support body with tubular components for accommodating the cylinders of hydraulic rams. The body has a plurality of location members with jaws selectively engageable with the outer end of a pipe section to be driven.These jaws can move radially inwards or outwards of the pipe section and can thus selectively couple the support body to the pipe-section so that the rams can be extended against an abutment to move the pipe section longitudinally.During use of the apparatus the support body and the cylinders of the rams are substantially entirely located within the pipe section.
    Type: Grant
    Filed: August 15, 1973
    Date of Patent: April 4, 1978
    Assignee: Gewerkschaft Eisenhutte Westfalia
    Inventor: Gerhard Hinrichsen