Patents by Inventor Patrick Kemna

Patrick Kemna 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: 8546711
    Abstract: A pneumatic switch (1) having a diaphragm (3) and a switching mechanism operationally connected to the diaphragm (3), the switching mechanism comprises a prestressing element which can be adjusted.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: October 1, 2013
    Assignee: Bircher Reglomat AG
    Inventors: Stefan Spengler, Stephan Koll, Patrick Kemna, Liebmer Trauschein
  • Publication number: 20110042198
    Abstract: A pneumatic switch (1) having a diaphragm (3) and a switching mechanism operationally connected to the diaphragm (3), the switching mechanism comprises a prestressing element which can be adjusted.
    Type: Application
    Filed: August 13, 2010
    Publication date: February 24, 2011
    Applicant: Bircher Reglomat AG
    Inventors: Stefan Spengler, Stephan Koll, Patrick Kemna, Liebmer Trauschein
  • Publication number: 20110042197
    Abstract: A piggyback plug module (1) for a switch, in particular for a pneumatic switch, having at least two contacts (10) for in each case one electrically conductive connection to a respective connecting contact of the switch; a connection (11) for a connection cable, wherein the contacts (10) are connected to the connection (11), and a functional device (13) held in the piggyback plug module (1).
    Type: Application
    Filed: August 18, 2010
    Publication date: February 24, 2011
    Applicant: BIRCHER REGLOMAT AG
    Inventors: Stephan Koll, Patrick Kemna