Patents by Inventor John H. Graber

John H. Graber 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).

  • Underwater air supply system
    Patent number: 6039043
    Abstract: An underwater air supply system for use with an air supply tank and a buoyancy chamber includes a base module and a plurality of interchangeable modules releasably connectable to the base module. Each module includes at least one of an air supply buoyancy chamber inflator for selectively supplying air from the air supply tank to the buoyancy chamber, a buoyancy chamber exhaust for selectively exhausting air from the buoyancy chamber, an oral buoyancy chamber inflator for enabling a diver to orally inflate the buoyancy chamber, and a regulator for supplying air to a diver from the air supply.
    Type: Grant
    Filed: January 27, 1998
    Date of Patent: March 21, 2000
    Assignee: Johnson Worldwide Associates, Inc.
    Inventors: John H. Graber, Mitchell P. Pomerantz