Patents Assigned to Bircher AG
  • Switching element, in particular a pressure-wave switch
    Patent number: 6265679
    Abstract: In a switching element, in particular a pressure-wave switch for safeguarding jamming points in the case of operable gates, doors or the like, having at least one pressure chamber which is provided at least partially with a diaphragm (4), it being possible to connect an exciter contact element (5) for making contact with a consumer contact element (6) via the diaphragm (4), it is to be possible for the exciter contact element (5) and/or the consumer contact element (6) to be moved out of a contact plane (E) in order to make common contact.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: July 24, 2001
    Assignee: Bircher AG
    Inventors: Christof Lexer, Godert De Jager
  • Pressure-wave switch
    Patent number: D453740
    Type: Grant
    Filed: April 26, 2000
    Date of Patent: February 19, 2002
    Assignee: Bircher AG
    Inventors: Christof Lexer, Godert de Jager