Patents by Inventor Nickolas J. Sojka

Nickolas J. Sojka 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: 4161198
    Abstract: A portable machine for servicing small animal cage litter trays which is independent of water and waste connections.
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: July 17, 1979
    Assignee: University of Virginia Alumni Patents Foundation
    Inventor: Nickolas J. Sojka
  • Patent number: 4009685
    Abstract: An aqueous foam is disposed in a litter tray under an animal cage to receive, conceal, suspend and deodorize animal wastes. When the foam has become soiled, it is cleaned from the tray with a jet or jets of water. The trays may be cleaned in a portable tray washing machine especially adapted for the purpose. A single continuous tray may be provided beneath a multiplicity of cages to receive the aqueous foam, from which the soiled wastes can be flushed by a stream of water into a container for the purpose.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: March 1, 1977
    Assignee: The University of Virginia
    Inventor: Nickolas J. Sojka