Patents by Inventor Robert L. Whipple

Robert L. Whipple 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).

  • Portable sectional flooring system with post support
    Patent number: 5121579
    Abstract: A floor section assembly having a post anchor built into one of the floor panels for use with portable sectionalized flooring suitable for a volleyball court or the like is disclosed. The post anchor includes a base assembly attached to the undersurface of one of the panels and is coupled to a plurality of adjacent panels by tubes attached to the undersurface of the panels and coupled together by a rigid member extending through aligned tubes. This structure provides a broad base of support for the post carrying a volleyball net which can absorb moments placed on the post without the need for connecting the post to the base on which the flooring is assembled.
    Type: Grant
    Filed: February 9, 1989
    Date of Patent: June 16, 1992
    Assignee: Portage Holding, Inc.
    Inventors: Douglas J. Hamar, Gopal Jayaraman, Richard Granroth, Robert L. Whipple, Harold A. Evenson, Edward K. Hamar
  • Portable sectional flooring system with post support
    Patent number: 5020286
    Abstract: A floor section assembly having a post anchor built into one of the floor panels for use with portable sectionalized flooring suitable for a volleyball court or the like is disclosed. The post anchor includes a base assembly attached to the undersurface of one of the panels and is coupled to a plurality of adjacent panels by tubes attached to the undersurface of the panels and coupled together by a rigid member extending through aligned tubes. This structure provides a broad base of support for the post carrying a volleyball net which can absorb moments placed on the post without the need for connecting the post to the base on which the flooring is assembled.
    Type: Grant
    Filed: August 5, 1988
    Date of Patent: June 4, 1991
    Assignee: Portage Holding, Inc.
    Inventors: Douglas J. Hamar, Gopal Jayaraman, Richard Granroth, Robert L. Whipple, Harold A. Evensen
  • Can crusher
    Patent number: 4240341
    Abstract: A can crushing apparatus is disclosed comprising a reciprocating head which reciprocates between two fixed walls whereby on each stroke of the head, two crushing operations are performed. Automatic can feeding means, having safety switch prime mover activation capability mounted thereon, is provided. A trash container closure base for said apparatus is also disclosed.
    Type: Grant
    Filed: December 6, 1978
    Date of Patent: December 23, 1980
    Assignee: Robert Whipple
    Inventors: Robert L. Whipple, William F. Warren