Patents by Inventor J. Paul Hatfield

J. Paul Hatfield 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).

  • Backflow preventing attachment for toilets
    Publication number: 20040172745
    Abstract: A toilet backflow preventing means and toilet bowl support for mounting between a standard soil pipe mounting flange and drain horn of a standard toilet bowl supports the toilet bowl closely adjacent the floor level, receives standard toilet bolts clamping the backflow presenting means between the toilet bowl and within the uppermost position of the soiled pipe. The backflow preventing means comprises a duckbill valve secured in said soil pipe.
    Type: Application
    Filed: March 2, 2004
    Publication date: September 9, 2004
    Inventor: J. Paul Hatfield
  • Portable motor vehicle safety airbag
    Patent number: 5511820
    Abstract: A portable airbag device for use in an automotive vehicle having passenger seat belts therein, the device comprising a housing having a projecting male buckle element and a female buckle receiving element for insertion between the two buckle elements of the seat belt system, or the housing being adapted to be attached to the seatbelt so that the seatbelt forms an S-shaped path for exerting tensile force against the elements forming the bends in the path, the housing also including a source of compressed gas and a sensor for detecting the occurrence of a collision, an inflatable airbag connected to the source of compressed gas, and a releasable fastener for securing the airbag to the passenger seat belt and positioning the airbag in front of a user, whereby upon occurrence of a collision, the sensor detects the collision and inflates the airbag.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: April 30, 1996
    Inventor: J. Paul Hatfield
  • Portable motor vehicle safety airbag
    Patent number: 5333902
    Abstract: A portable airbag device for use in an automotive vehicle having passenger seat belts therein, the device comprising a housing having a projecting male buckle element and a female buckle receiving element for insertion between the two buckle elements of the seat belt system, the housing also including a source of compressed gas and a sensor for detecting the occurrence of a collision, a pouch extending along the passenger seat belt and including an inflatable airbag connected to the source of compressed gas, and a releasable fastener for securing the pouch to the passenger seat belt and positioning the pouch in front of a user, whereby upon occurrence of a collision, the sensor detects the collision and inflates the airbag.
    Type: Grant
    Filed: November 24, 1993
    Date of Patent: August 2, 1994
    Inventor: J. Paul Hatfield
  • Cargo chock
    Patent number: D381951
    Type: Grant
    Filed: October 2, 1995
    Date of Patent: August 5, 1997
    Inventor: J. Paul Hatfield
  • Septic tank cover
    Patent number: D385944
    Type: Grant
    Filed: August 21, 1996
    Date of Patent: November 4, 1997
    Inventor: J. Paul Hatfield
  • Pipe adaptor fitting
    Patent number: D407802
    Type: Grant
    Filed: October 28, 1997
    Date of Patent: April 6, 1999
    Inventors: J. Paul Hatfield, Bruce Shoeman
  • Carpenter's utility square with measuring tape and level
    Patent number: D428348
    Type: Grant
    Filed: June 18, 1999
    Date of Patent: July 18, 2000
    Inventors: J. Paul Hatfield, James L. Gallihugh