Patents by Inventor Franklin D. Pichelman

Franklin D. Pichelman 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: 4486931
    Abstract: A scarifying machine is provided with a mounting plate having a plurality of downwardly open wells formed in it adjacent its periphery and that extend above the plane of the plate. Each well is defined and bounded by a pair of downwardly diverging, upwardly smoothly merging internal surfaces rendering the well non-clogging. A plurality of scarifying discs are mounted to the plate with the discs extending upwardly into the wells and downwardly beneath the mounting plate for contact with a floor.
    Type: Grant
    Filed: August 27, 1982
    Date of Patent: December 11, 1984
    Assignee: Flo-Pac Corporation
    Inventors: Franklin D. Pichelman, Perry M. Domaas
  • Patent number: 4336624
    Abstract: A squeegee assembly having a tapered, flexible blade edge that will not develop a wary surface through use. The blade edge is formed on a flexible blade member, which blade member is disposed about and attached to another less flexible blade member. The flexible blade members may be symmetrically formed about a longitudinal axis, and the flexible blade member may include a blade edge formed on either side thereof. A blade support member having a shaped notch for receiving the flexible blade member provides longitudinal support therefor. The blade support member and flexible blade members are held and supported by a handle and trigger assembly having trigger actuated jaws.
    Type: Grant
    Filed: May 22, 1981
    Date of Patent: June 29, 1982
    Assignee: Flo-Pac Corporation
    Inventors: Franklin D. Pichelman, Donald N. Mehl
  • Patent number: 4305234
    Abstract: A brush suitable for use with floor maintenance equipment and having both abrasive nonabsorbent bristles and nonabrasive absorbent bristles. The bristles are fairly evenly intermingled in each tuft, and the brush includes a plurality of tufts such that the brush face presents a substantially intermingled mix of both bristles. To enhance the cleaning qualities of the brush, the percentage of abrasive nonabsorbent bristles may be increased. To enhance the finish applying and buffing qualities of the brush, the percentage of nonabrasive absorbent bristles may be increased.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: December 15, 1981
    Assignee: Flo-Pac Corporation
    Inventor: Franklin D. Pichelman
  • Patent number: D257322
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: October 14, 1980
    Assignee: Flo-Pac Corporation
    Inventors: Franklin D. Pichelman, Donald N. Mehl
  • Patent number: D275617
    Type: Grant
    Filed: August 27, 1982
    Date of Patent: September 18, 1984
    Assignee: Flo-Pac Corporation
    Inventors: Franklin D. Pichelman, Perry M. Domaas
  • Patent number: RE31745
    Abstract: A brush suitable for use with floor maintenance equipment and having both abrasive nonabsorbent bristles and nonabrasive absorbent bristles. The bristles are fairly evenly intermingled in each tuft, and the brush includes a plurality of tufts such that the brush face presents a substantially intermingled mix of both bristles. To enhance the cleaning qualities of the brush, the percentage of abrasive nonabsorbent bristles may be increased. To enhance the finish applying and buffing qualities of the brush, the percentage of nonabrasive absorbent bristles may be increased.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: November 27, 1984
    Assignee: Flo-Pac Corporation
    Inventor: Franklin D. Pichelman