Patents by Inventor Robert F. Lange

Robert F. Lange 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: 5556258
    Abstract: A flexible, highly portable pump is designed for volleyball players but has wider applications. Motive force is delivered from a squeezebulb having a check valve at each end and communicating downstream to a fitting which will accept a ball inflation needle. A deflation valve is located in the air passageway downstream from the squeezebulb outlet check valve. The pump is designed so that it can be stuffed into a back pocket or thrown in a sports bag, and is flexible enough to be bent in two or wadded up and stuffed anywhere. The squeezebulb and relief valve are adapted for one-handed operation, and an optional one-piece solid state pressure gauge can be integrated into the body of the pump.
    Type: Grant
    Filed: June 12, 1995
    Date of Patent: September 17, 1996
    Inventors: Robert F. Lange, Charles W. Davey