Patents by Inventor John Kosik

John Kosik 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).

  • Reusable dust bag for vacuum cleaner
    Patent number: 4185976
    Abstract: In accordance with the present invention, there is provided a reusable dust bag which may be used in an enclosed-bag type of vacuum cleaner interchangeably with a disposable paper dust bag.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: January 29, 1980
    Assignee: Consolidated Foods Corporation
    Inventors: John Kosik, William P. Ritzau
  • Separable hose coupling
    Patent number: 4163593
    Abstract: The present invention relates to a separable coupling for connecting a suction hose to a vacuum cleaner and at the same time establishing an electric circuit between conductors in the hose and in the cleaner and involves means for preventing short circuits in the coupling even though the latter may suffer a mechanical damage.
    Type: Grant
    Filed: September 22, 1977
    Date of Patent: August 7, 1979
    Assignee: Consolidated Foods Corporation
    Inventor: John Kosik