Patents by Inventor David L. Grabarski

David L. Grabarski 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: 4615241
    Abstract: A power driven bottle opener for removing the twist-off caps from the top of a bottle includes a housing containing an electric motor and a limit switch for starting and stopping the motor. An inverted cup-shaped head is rotated by said motor and includes ribs on its interior cylindrical wall which engage the cap for twisting the same. A cap ejector pin extends at least partially vertically through the housing and into the head and can be manually pushed downwardly from the front of the housing to eject a cap which may become lodged in the removing head. The pin also carries a radial projection which activates the limit switch and therefore the motor when the pin is moved upwardly by a bottle and cap inserted into the cap removing head.
    Type: Grant
    Filed: May 24, 1985
    Date of Patent: October 7, 1986
    Inventors: David L. Grabarski, Harvey A. Williams
  • Patent number: 4519276
    Abstract: A power driven bottle opener for removing the twist-off caps from the top of a bottle includes a housing containing an electric motor and a limit switch for starting and stopping the motor. An inverted cup-shaped head is rotated by said motor and includes ribs on its interior cylindrical wall which engage the cap for twisting the same. A cap ejector pin extends vertically through the housing and into the head and can be manually pushed downwardly to eject a cap which may become lodged in the removing head. The pin also carries a radial projection which activates the limit switch and therefore the motor when the pin is moved upwardly by a bottly and cap inserted into the cap removing head. The housing also carries a lighted advertising sign adjacent the top thereof.
    Type: Grant
    Filed: December 21, 1983
    Date of Patent: May 28, 1985
    Inventors: David L. Grabarski, Harvey A. Williams