Patents by Inventor Hans Botschi

Hans Botschi 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).

  • Fire alarm
    Patent number: 5568133
    Abstract: Upon insertion of a fire alarm insert into a corresponding fire alarm mounting, the insert covers the mounting. The insert has a movable fastening comprising a ring, for example, for fastening the insert to the mounting. Indicator elements are included for indicating proper positioning of the insert relative to the mounting.
    Type: Grant
    Filed: December 12, 1995
    Date of Patent: October 22, 1996
    Assignee: Cerberus AG
    Inventors: Bernhard Durrer, Hans Botschi, Peter Gruber