Patents by Inventor Philip Nisenbaum

Philip Nisenbaum 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: 5165144
    Abstract: An ergonometrically designed tool handle has a pair of perpendicularly extending hand grips secured at spaced locations along the handle. The tool handle allows prolonged usage by an individual without back strain. The tool handle includes a plurality of intersecting inclined portions which dispose the hand grips in optimal orientation. In a first embodiment, the tool handle has a distal end dimensioned for engagement with a hollow cylindrical socket on a tool head shank. In a second embodiment, a pair of offset sockets are provided on the handle for removable reception of a pair of tool head shanks. An adapter is disclosed which enables conversion of the dual socketed handle for use with single socketed tools. The adapter also provides an angulated extension of the tool handle. The tool handle is designed for use with interchangeable tool heads which may include a hoe, a shovel, a rake, and a scraper.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: November 24, 1992
    Inventor: Philip Nisenbaum
  • Patent number: 5060343
    Abstract: An ergonometrically designed tool handle has a pair of perpendicularly extending hand grips secured at spaced locations along the handle. The tool handle allows prolonged usage by an individual without back strain. The tool handle includes a plurality of intersecting inclined portions which dispose the hand grips in optimal orientation. In a first embodiment, the tool handle has a distal end dimensioned for engagement with a hollow cylindrical socket on a tool head shank. In a second embodiment, a pair of offset sockets are provided on the handle for removable reception of a pair of tool head shanks. An adapter is disclosed which enables conversion of the dual socketed handle for use with single socketed tools. The adapter also provides an angulated extension of the tool handle. The tool handle is designed for use with interchangeable tool heads which may include a hoe, a shovel, a rake, and a scraper.
    Type: Grant
    Filed: May 2, 1989
    Date of Patent: October 29, 1991
    Inventor: Philip Nisenbaum
  • Patent number: 5054830
    Abstract: A shovel includes an elongated cylindrical shaft having a shovel blade removably secured by a pin and socket connection at a first end, and a first D-shaped hand grip at a second opposite end. A split cylindrical clamping collar includes a clamping screw for securing the collar at a selected position around the shaft. A lateral extension member is pivotally mounted to the clamping collar for movement about an axis which extends parallel to a longitudinal axis of the shaft. A second D-shaped hand grip is secured on a free end portion of the extension member. In use, an individual grasps one of the hand grips in each hand and rotates the first hand grip while holding the second hand grip secured to the lateral extension member stationary, to dump the contents of the shovel blade. The shovel handle construction is particularly adapted for use on snow shovels, and allows an individual to work with a minimum of effort and back strain.
    Type: Grant
    Filed: March 8, 1991
    Date of Patent: October 8, 1991
    Inventor: Philip Nisenbaum