Patents by Inventor Heinrich Beltz

Heinrich Beltz 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).

  • Automatic device for the maintenance of small animals
    Patent number: 3965864
    Abstract: An automatic device for a rational management of animals, in particular of small animals, which essentially consists of a combination of an automatic feeder, a specially shaped watering valve and an automatic dung remover with the adequate cages.
    Type: Grant
    Filed: December 17, 1974
    Date of Patent: June 29, 1976
    Assignee: Behringwerke Aktiengesellschaft
    Inventor: Heinrich Beltz