Patents by Inventor J. Patrick Droppleman

J. Patrick Droppleman 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: 8192298
    Abstract: A separable putter golf club includes an upper shaft portion with a grip and a lower shaft portion with a club head, wherein the upper and lower shaft portions can be quickly connected and disconnected, while allowing a large amount of force to be transferred there through. The upper and lower shaft portions may be connected by a first and second connector portions, that may be engaged and rotated relative to each other. The first connector portion may include a first locking member having a plurality of outwardly protruding lugs and a guide rod, while the second connector portion may include a second locking member having a cavity and a bore. The bore is adapted to receive the guide rod, and the cavity is adapted to receive the outwardly protruding lugs.
    Type: Grant
    Filed: June 6, 2007
    Date of Patent: June 5, 2012
    Assignee: Parker Davis LLC
    Inventor: J. Patrick Droppleman
  • Patent number: 7232376
    Abstract: A separable golf club includes an upper shaft portion with a grip and a lower shaft portion with a club head, wherein the upper and lower shaft portions can be quickly connected and disconnected, while allowing a large amount of force to be transferred there through. The upper and lower shaft portions may be connected by a first and second connector portions, that may be engaged and rotated relative to each other. The first connector portion may include a first locking member having a plurality of outwardly protruding lugs and a guide rod, while the second connector portion may include a second locking member having a cavity and a bore. The bore is adapted to receive the guide rod, and the cavity is adapted to receive the outwardly protruding lugs.
    Type: Grant
    Filed: May 12, 2004
    Date of Patent: June 19, 2007
    Assignee: Parker Davis LLC
    Inventor: J. Patrick Droppleman
  • Patent number: 7140591
    Abstract: A new and improved high pressure post valve used to control the flow of high pressure gas, e.g., oxygen, from a high pressure gas cylinder.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: November 28, 2006
    Assignee: Ocenco, Inc.
    Inventor: J. Patrick Droppleman
  • Patent number: 6997348
    Abstract: A new and improved high pressure post valve used to control the flow of high pressure gas, e.g., oxygen, from a high pressure gas cylinder.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: February 14, 2006
    Assignee: Ocenco, Inc.
    Inventor: J. Patrick Droppleman
  • Patent number: 4597137
    Abstract: A hinge pin construction for connecting the free ends of a conveyor belt. The hinge pin includes a plurality of bushings arranged end to end and having aligned bores through each. A cable extends through the bores and is connected at opposite ends to a termination bushing. The bushings are free to rotate relative to the cable. This construction extends through aligned eyes in a mechanical splice connected to each of the free ends of the conveyor belt. A hinge pin tool is provided to assemble and disassemble the hinge pin.
    Type: Grant
    Filed: September 12, 1984
    Date of Patent: July 1, 1986
    Assignee: Ocenco Incorporated
    Inventors: J. Patrick Droppleman, Iner C. Olson, Jeffrey S. Phillip, Steven K. Berning