Patents by Inventor William R. Buffkin

William R. Buffkin 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).

  • Diving helmet breech ring connection
    Patent number: 4034416
    Abstract: A connection for releasably securing a diving helmet to a suit through the se of nestable upper and lower ring members having mating cylindrical portions sealed by an O-ring. A tongue and slot serve to orient the helmet during donning and cooperate with two sets of pintles and gudgeons disposed 120.degree. from one another to secure the ring members together.
    Type: Grant
    Filed: October 22, 1976
    Date of Patent: July 12, 1977
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: William R. Buffkin, William W. McCrory
  • Explosively powered rotary tool
    Patent number: 3990407
    Abstract: An explosively powered tool or wrench is described that is operable under water and provides high torque, approaching that of an impact wrench, through the detonation of small charges to generate pressure for driving pistons of an expansible chamber motor. The invention is characterized by a rotating magazine for automatically or manually bringing charges into firing position, a magazine position indicator, and electrical firing control circuitry.
    Type: Grant
    Filed: August 18, 1975
    Date of Patent: November 9, 1976
    Inventors: James T. Parker, William R. Buffkin