Patents by Inventor Matthew B. Crawford

Matthew B. Crawford 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).

  • Ski waxing system
    Patent number: 5169169
    Abstract: A ski waxing system (20) for applying a waxing substance (126) to the running surface (28) of a ski (22). In one embodiment, the waxing system (20) includes a wax supply canister (38) in fluid communication with supply terminals (44) on the top surface (26) of the ski (22). Capillaries (68) are formed in the body (24) of the ski to provide fluid communication between the supply terminal and the running surface (28). Nozzles (70) are formed in the running surface (28) to distribute the waxing surface to the running surface (28). A heel pump (40) is actuated by the skier's (30) boot heel (72) to urge the waxing substance through the system (20). Other alternative methods for practicing the invention are also disclosed.
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: December 8, 1992
    Inventor: Matthew B. Crawford