Patents by Inventor J. H. Kauffmann

J. H. Kauffmann 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: 4061139
    Abstract: A process and product formed therefrom for providing a protective closure for hollow structures that are used in high velocity applications. The protective closure comprises a closure material and a sheath material permanently bond to each other. Both the closure material and the sheath material are "set" in a configuration of the closure. The protective closure is fabricated by having the closure material and the sheath material permanently bonded and "set" to each other by subjecting them to a high energy impulse force.
    Type: Grant
    Filed: April 26, 1976
    Date of Patent: December 6, 1977
    Assignee: F & B Mfg. Co.
    Inventor: J. H. Kauffmann