Patents by Inventor George W. Pearce

George W. Pearce 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).

  • Wind controlled spraying
    Patent number: 5340025
    Abstract: Spraying apparatus for spraying a liquid into air includes a wind sensor and a sprayer. The sprayer provides a spray into the air for a predetermined time interval upon sensing only predetermined ones of the occurrences and the predetermined ones of the occurrences occurring for at least a predetermined time interval.
    Type: Grant
    Filed: November 22, 1991
    Date of Patent: August 23, 1994
    Inventor: George W. Pearce
  • Wind controlled spraying
    Patent number: 4697737
    Abstract: A wind-controlled spraying apparatus is arranged to contain electrical contacts and essential mechanical parts within a single housing and to provide switching contacts on a printed circuit board designed as part of a control circuit for the spraying apparatus. The apparatus includes a nozzle that sprays insecticides into the wind for predetermined periods of time in response to changes in wind direction indicated by a wind-blown conducting tube that contacts only one of the switching contacts on the printed circuit board at any time.
    Type: Grant
    Filed: May 2, 1986
    Date of Patent: October 6, 1987
    Inventor: George W. Pearce