Patents by Inventor Paul M. Davis

Paul M. Davis 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).

  • Personal tracking system integrated with base station
    Patent number: 5742509
    Abstract: The personal tracking system including the intelligent position determining means coupled with the cellular phone and the base station is disclosed. The base station includes a computer, a modem, and a telephone. The computer further includes base station software for communicating with the mobile unit. The mobile unit transmits the location data to the base station at certain times and at certain locations.
    Type: Grant
    Filed: April 11, 1995
    Date of Patent: April 21, 1998
    Assignee: Trimble Navigation Limited
    Inventors: Steven H. Goldberg, Greg Kremer, Paul M. Davis
  • Scavenger system and electrical submersible pumps (ESP's)
    Patent number: 5622222
    Abstract: A submersible pumping unit for use in a corrosive environment. The submersible pumping unit has a housing which encases a motor and a pump. A scavenging material is located in the housing to prevent corrosive agents in the well fluid from making contact with the motor.
    Type: Grant
    Filed: September 26, 1995
    Date of Patent: April 22, 1997
    Assignee: Mobil Oil Corporation
    Inventors: Brown L. Wilson, Leslie C. Reid, Paul M. Davis, Terrance P. Comeau
  • Detection of sulfur mustards using spectrofluorometry
    Patent number: 5032380
    Abstract: Fluorescence properties of the product of the reaction of the 2-naphthalenethiolate ion and 2-chloroethylethylsulfide or bis(2-chloroethyl)sulfide are described. The fluorescence of the latter reaction is used as the basis of a new detection method for 2-chloroethylethylsulfide. The detection method is capable of detecting 2-chloroethylethylsulfide at levels down to 0.2 micrograms per milliliter.
    Type: Grant
    Filed: March 5, 1990
    Date of Patent: July 16, 1991
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Thaddeus Novak, Paul M. Davis