Patents by Inventor John C. Wolff

John C. Wolff 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).

  • Ectrudable cement core thermoplastic composite
    Patent number: 6358585
    Abstract: A panel for use in siding is disclosed. The panel has a cement core in a shape defining the panel of the siding, and a plastic film layer attached to the cement core. The plastic film layer is either a polymer or a copolymer of vinyl chloride. The panel may also have an adhesive layer which adheres the plastic film layer to the cement core. The cement core may contain fiber reinforcement.
    Type: Grant
    Filed: May 14, 1997
    Date of Patent: March 19, 2002
    Assignee: Crane Plastics Company Limited Partnership
    Inventor: John C. Wolff
  • Locker door retrofit assembly
    Patent number: 5951126
    Abstract: A locker door retrofit assembly is disclosed which is adapted for replacing door assemblies on metallic or other lockers with a plastic door assembly. The locker door retrofit assembly may include a plastic jamb hinge that covers the existing hinge and a door assembly. The retrofit locker assembly may be assembled off-site and attached to the existing locker assembly as one unit.
    Type: Grant
    Filed: July 17, 1998
    Date of Patent: September 14, 1999
    Assignee: Compression Polymers Group
    Inventors: John C. Wolff, Scott R. Gardner, Delbert P. Keisling, Jr., Kevin T. Burt
  • Locker door retrofit assembly
    Patent number: 5810458
    Abstract: A locker door retrofit assembly is disclosed which is adapted for replacing door assemblies on metallic or other lockers with a plastic door assembly. The locker door retrofit assembly may include a plastic jamb hinge that covers the existing hinge and a door assembly. The retrofit locker assembly may be assembled off-site and attached to the existing locker assembly as one unit.
    Type: Grant
    Filed: November 20, 1996
    Date of Patent: September 22, 1998
    Assignee: Compression Polymers Group
    Inventors: John C. Wolff, Scott R. Gardner, Delbert P. Keisling, Jr., Kevin T. Burt
  • Locker door retrofit assembly
    Patent number: 5595426
    Abstract: A locker door retrofit assembly is disclosed which is adapted for replacing door assemblies on metallic or other lockers with a plastic door assembly. The locker door retrofit assembly may include a plastic jamb hinge that covers the existing hinge and a plastic jamb lock that receives a plastic door assembly when in a closed orientation.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: January 21, 1997
    Assignee: Compression Polymers Group
    Inventors: John C. Wolff, Scott R. Gardner, Delbert P. Keisling, Jr.
  • Thermoplastic cover for stadium seating, picnic tables, boat docks and the like
    Patent number: 5070664
    Abstract: Rigid PVC or other weatherable capstock and a rigid thermoplastic substrate are coextruded to form a channel-shaped cover adapted for close fitting resilient engagement with a plank or beam. If the plank or beam is wooden, the rear marginal flange of the cover may be flared outwardly or inwardly, depending upon the proximity of the planks or beams to one another, and horizontally elongated fastener-receiving slots are provided in at least one leg of the cover. If the beam or plank is formed from metal, the rear marginal flange is inturned to provide a snap fit between the cover and the beam. End caps and connectors are provided to hold the cover in place on the metal beam.
    Type: Grant
    Filed: October 2, 1990
    Date of Patent: December 10, 1991
    Assignee: Crane Plastics, Inc.
    Inventors: A. Anthony Groh, Philip H. Stobart, John C. Wolff