Patents by Inventor William W. McCrory

William W. McCrory 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).

  • Combustion chamber drain system
    Patent number: 5632659
    Abstract: An apparatus for quickly and virtually complete purging of seawater from combustion chambers of an outboard engine that has been submerged or a submersible outboard engine. A poppet valve is incorporated in the combustion chamber portion of the engine head. The valve has discharge ports radially disposed around its periphery so that when the poppet valve is pneumatically operated, the ports permit the discharge of entrapped water from the combustion chamber as the engine is turned over.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: May 27, 1997
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Shawn K. Martin, William A. Garnett, William W. McCrory
  • Inflatable boat with demountable transom
    Patent number: 4449473
    Abstract: An inflatable boat having parallel side sponsons joined by a floor and hag a rigid keelson member includes a demountable transom capable of supporting an outboard motor. The transom is characterized by a motor mount pad connected to the keelson and having folding attachment arms connected to the sponsons.
    Type: Grant
    Filed: October 29, 1982
    Date of Patent: May 22, 1984
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: William W. McCrory, William B. Quigley, William A. Garnett
  • Inflatable boat for high speed use
    Patent number: 4251893
    Abstract: An inflatable boat having tubular side and bow forming sponsons spanned by hull bottom or floor structure including an upper inflatable floor superimposed on a lower inflatable floor, in combination with a rigid sectional keelson that is removably secured at a plurality of locations to each of the floors. Top and bottom walls of the inflatable floors are interconnected by drop stitches to limit distension to a uniform spacing when inflated.
    Type: Grant
    Filed: August 10, 1979
    Date of Patent: February 24, 1981
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: William W. McCrory, Joseph D. Ramirez, David R. Bon, Bruce Dzadek, William B. Quigley
  • Diver's composite umbilical
    Patent number: 4138178
    Abstract: A composite diver's umbilical including concentric hoses for breathing gas, eating fluid supply and return, electrical conductors, and a strength member, and cooperating separable connectors for effecting end to end joining of segments of the umbilical. The connectors are characterized by cooperating nipple and receptacle members having coaxial, arcuate passageways, and cooperating pin and socket electrical connectors.
    Type: Grant
    Filed: November 16, 1977
    Date of Patent: February 6, 1979
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Barry E. Miller, D. Wayne McClain, William W. McCrory, Jr.
  • 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