Patents by Inventor Edward R. Horn

Edward R. Horn 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: 4838306
    Abstract: A locking valve assembly for use with air cylinder and in pneumatic circuits and including a locking valve for selectively locking air pressure in the air cylinder. The locking valve is pilot operated to provide for release of air pressure from the air cylinder and also includes a manual override apparatus for providing for release of the locking valve in the absence of pilot pressure.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: June 13, 1989
    Assignee: Aladdin Engineering & Mfg., Inc.
    Inventors: Edward R. Horn, Derek Hopkinson
  • Patent number: 4838532
    Abstract: Apparatus for gripping a workpiece including a pneumatic cylinder assembly having a locking valve for selectively locking air in the pneumatic cylinder to thereby maintain the gripping apparatus in clamped engagement with a workpiece.
    Type: Grant
    Filed: October 6, 1988
    Date of Patent: June 13, 1989
    Assignee: Aladdin Engineering & Mfg., Inc.
    Inventors: Edward R. Horn, Derek Hopkinson
  • Patent number: 4679782
    Abstract: A mechanical clamp for releaseably clamping a workpiece against a supporting surface. The clamp engages workpieces of differing thickness without adjustment and applies substantially uniform clamping force on the workpieces despite differences in thickness of the workpieces.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: July 14, 1987
    Assignee: Aladdin Engineering & Mfg
    Inventors: Edward R. Horn, Norbert J. Kot, II
  • Patent number: 4576367
    Abstract: A mechanical clamp for releaseably clamping a workpiece against a supporting surface. The clamp includes means for releaseably locking the clamping member in a clamping position without use of an overcenter movement of the clamp toggle links.
    Type: Grant
    Filed: January 2, 1985
    Date of Patent: March 18, 1986
    Assignee: Aladdin Engineering & Mfg. Co.
    Inventors: Edward R. Horn, Norbert J. Kot, II
  • Patent number: 4532706
    Abstract: An automated apparatus for forcing snap rings onto pins or rods of the type adapted to receive a snap ring. Apparatus is provided for moving or transferring successive snap rings to a position wherein they are aligned with the ends of the pins. Apparatus is further provided for then forcing the snap rings over a mandrel and onto the ends of the pins.
    Type: Grant
    Filed: July 28, 1983
    Date of Patent: August 6, 1985
    Assignee: Aladdin Engineering
    Inventor: Edward R. Horn