Patents by Inventor John Bartholomew Lyman

John Bartholomew Lyman 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).

  • Vacuum cleaner hose end structure
    Patent number: 4018493
    Abstract: A vacuum cleaner hose end structure having a molded end portion secured to a flexible hose portion and a hose end adaptor telescopically received in the molded end portion to define a desired hose end configuration. The hose end adaptor may comprise any one of a plurality of different configuration adaptors. The hose end adaptor further is arranged to retain an electrical connector in association with electrical terminals carried by the molded end portion of the flexible hose to provide a desired electrical terminal configuration which may be selectively male or female. The vacuum cleaner hose may be provided with such selectively arranged hose end structures at each of its opposite ends.
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: April 19, 1977
    Assignee: Whirlpool Corporation
    Inventors: John Bartholomew Lyman, Bruce Edmund Stewart