Patents by Inventor Robert C. Koch, Jr.

Robert C. Koch, Jr. 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: 4362118
    Abstract: A cast aluminum hatchway cover has projecting hinge structure for mating with a hinge housing part affixed on a hatchway coaming. The hinge is detented for holding the cover in closed, partly open and fully open posture. Self-latching lock structure has a foot operable unlocking lever outside the hatchway and an emergency unlocking lever inside the hatchway. The hinge detenting mechanism comprises cams with mating elements located respectively on the cover and hinge housing part.
    Type: Grant
    Filed: March 16, 1981
    Date of Patent: December 7, 1982
    Assignee: American Commercial Barge Line Co.
    Inventors: Robert C. Koch, Jr., Horst R. Hickmann