Patents by Inventor Kenneth W. Dotson

Kenneth W. Dotson 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).

  • Fuel dispensing nozzle
    Patent number: 5379811
    Abstract: A fuel dispensing nozzle includes a housing having a hollow main body portion and a handle portion with a hand-grip spaced from the main body portion, an elongate nozzle body mounted in the main body portion of the housing and having a fuel passageway extending longitudinally therethrough in a generally straight line devoid of any abrupt changes in direction, a main valve for controlling the flow of fuel through the nozzle, a manually operable valve actuator, a spout having three integrally formed passageways comprising a fuel passageway, a vapor recovery passageway and a shut-off, venturi-vacuum passageway, a vapor recovery passageway through the main body and handle portions of the housing, a venturi-vacuum device for shutting off the flow of fuel through the nozzle when the vehicle fuel tank is full, an attitude responsive device for deactivating the main valve when the nozzle is not in the proper attitude for insertion of the spout into the fill opening of the vehicle fuel tank and an attitude responsive
    Type: Grant
    Filed: December 13, 1993
    Date of Patent: January 10, 1995
    Assignee: Emco Wheaton, Inc.
    Inventors: Kenneth W. Dotson, Stewart Mac Harmon, Francis B. Weeks, Chih-Kun J. Shih, John L. Johnson
  • Fuel dispensing nozzle
    Patent number: 5327949
    Abstract: A fuel dispensing nozzle is disclosed and includes a housing having a hollow main body portion and a handle portion with a hand-grip spaced from the main body portion, an elongate nozzle body mounted in the main body portion of the housing and having a fuel passageway extending longitudinally therethrough in a generally straight line devoid of any abrupt changes in direction, main valve means disposed in the fuel passageway for controlling the flow of fuel through the nozzle, manually operable valve actuating means, a spout for insertion into the fill opening of a vehicle fuel tank and having three integrally formed passageways therethrough comprising a fuel passageway, a vapor recovery passageway and a shut-off, venturi-vacuum passageway, a vapor recovery passageway through the main body and handle portions of the housing, a venturi-vacuum means for shutting off the flow of fuel through the nozzle when the vehicle fuel tank is full, attitude responsive means for preventing the opening of the main valve when
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: July 12, 1994
    Assignee: Emco Wheaton, Inc.
    Inventors: Kenneth W. Dotson, Stewart Mac Harmon, Francis B. Weeks, Chih-Kun J. Shih, John L. Johnson
  • Fuel dispensing nozzle
    Patent number: D350386
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: September 6, 1994
    Assignee: Emco Wheaton, Inc.
    Inventors: Kenneth W. Dotson, Stewart MacHarmon
  • Fuel dispensing nozzle
    Patent number: D359100
    Type: Grant
    Filed: January 7, 1994
    Date of Patent: June 6, 1995
    Assignee: Emco Wheaton, Inc.
    Inventors: Kenneth W. Dotson, Stewart M. Harmon