Patents by Inventor Carol Laycock Williams

Carol Laycock Williams 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).

  • Lightweight greenhouse structure for rapid assembly, disassembly, storage and transport
    Patent number: 6618988
    Abstract: A greenhouse has a frame of standard PVC tubes and PVC fittings. A rectangular base frame supports a plurality of vertical tubes, which, in turn, support a rectangular gable-type roof frame. Some of the tube-to-fitting couplings are friction-fit connections, some are glued connections and others are quick connect/disconnect connections for rapid assembly and disassembly of the greenhouse. A poly cover includes a center portion which extends from the base frame over the vertical tubes and the gabled roof frame and is coupled thereto by quick-connect/disconnect retainers, and a pair of end portions are releasably connected to respective ends of the center portion by double-pull zippers having box and pin connectors for variable, regulated ventilation and complete removal of the end portions.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: September 16, 2003
    Inventors: David Allen Williams, Carol Laycock Williams
  • Lightweight greenhouse structure for rapid assembly, disassembly, storage and transport
    Publication number: 20020059749
    Abstract: A greenhouse has a frame of standard PVC tubes and PVC fittings. A rectangular base frame supports a plurality of vertical tubes, which, in turn, support a rectangular gable-type roof frame. Some of the tube-to-fitting couplings are friction-fit connections, some are glued connections and others are quick connect/disconnect connections for rapid assembly and disassembly of the greenhouse. A poly cover includes a center portion which extends from the base frame over the vertical tubes and the gabled roof frame and is coupled thereto by quick-connect/disconnect retainers, and a pair of end portions are releasably connected to respective ends of the center portion by double-pull zippers having box and pin connectors for variable, regulated ventilation and complete removal of the end portions.
    Type: Application
    Filed: September 27, 2001
    Publication date: May 23, 2002
    Inventors: David Allen Williams, Carol Laycock Williams