Patents by Inventor Donald S. Painter

Donald S. Painter 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).

  • Submersible or semi-submersible structures
    Patent number: 4375199
    Abstract: A submersible or semi-submersible structure, such as a boat, oil rig or pipeline, has an anti-fouling covering secured thereto. The covering comprises a mesh of copper or copper alloy embedded in a carrier, preferably of plastics material. The mesh has knuckles which on one surface are close to or protrude from the carrier so as to be accessible to sea water. The knuckles are spaced from the other surface so as to prevent contact between the structure and the mesh. A sea water permeable coating may be provided on the outer surface.
    Type: Grant
    Filed: February 6, 1981
    Date of Patent: March 1, 1983
    Assignee: United Wire Group p.l.c.
    Inventors: Christopher Graeme-Barber, Donald S. Painter
  • Manufacture of footwear
    Patent number: 4321721
    Abstract: A method of manufacturing a shoe comprises the step of dry or moist heat setting a lasted shoe upper, with or without a protective coating as necessary, by total or partial immersion in a bath of heated liquid or fluidized solid material. The lasted shoe upper may contain a stiffener element and particularly a heel stiffener made of fibre reinforced thermoplastic or thermosetting polymeric material which becomes cured by the heat treatment.
    Type: Grant
    Filed: March 4, 1980
    Date of Patent: March 30, 1982
    Assignee: K. Shoemakers Limited
    Inventors: Donald S. Painter, Christopher Graeme-Barber