Patents by Inventor Patrick F. Sanchez

Patrick F. Sanchez 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).

  • Self-cleaning litter box for animals
    Patent number: 5749318
    Abstract: A litter box which cleams itself automatically, and separates the soiled litter from the clean litter, storing the soiled litter in a receptacle and replacing the consumed litter by clean reserve litter. The litter box is formed from a sieve (1) configured as an endless web, a continous transport belt (8) for taking up litter to be recycled. The belt (8) circulates in a housing (5, 7, 9, 11). The litter box optionally includes a system (6, 15, 16, 18) comprising a bin bag facilitating the filling of the receptacle 21 even in a substantially horizontal positon. The litter box is useful with eats and other animals, particularly pets, farm animals or wild animals in captivity.
    Type: Grant
    Filed: February 6, 1996
    Date of Patent: May 12, 1998
    Inventors: Gerard Barbot, Cyril Rameau, Patrick F. Sanchez