Patents by Inventor Ernest P. Basterfield

Ernest P. Basterfield 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).

  • Patent number: 4411372
    Abstract: A lid for a pressure vessel which is seamless and which includes a peripheral groove in an outer surface formed by deforming the material of the lid, for example by a swaging process. The groove accommodates a seal, such as an O-ring.
    Type: Grant
    Filed: December 3, 1981
    Date of Patent: October 25, 1983
    Assignee: Chern Developments Limited
    Inventors: Ernest P. Basterfield, Parker L. Basterfield
  • Patent number: 4379513
    Abstract: A pressure vessel which is suitable for use as a cooking utensil, autoclave, or like device. The vessel includes a container with a number of pivotal, threaded shanks, and a lid with pairs of supports between which the shanks pass. Wing nuts on the shanks can be tightened to secure the lid to the container. The supports have upturned ends which, when the wing nuts are slackened to a limited extent prevent pivotal disengagement of the shanks from the supports.
    Type: Grant
    Filed: June 18, 1981
    Date of Patent: April 12, 1983
    Assignee: Chern Developments (Proprietary) Limited
    Inventors: Ernest P. Basterfield, Llewellyn P. Basterfield
  • Patent number: 4163293
    Abstract: In a water-flushed toilet having a cistern, a fraction of the water inflowing to the cistern is bypassed to a basin, from which it is drained away through a vent. The basin is provided in the lid of a low-level cistern, or in a shelf in the case of a high-level cistern. The bypass consists of a pipe in the inlet to the cistern, feeding through a gooseneck pipe into the basin.
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: August 7, 1979
    Inventor: Ernest P. Basterfield
  • Patent number: D252404
    Type: Grant
    Filed: December 7, 1977
    Date of Patent: July 17, 1979
    Inventor: Ernest P. Basterfield