Patents by Inventor Christopher Wojtowicz

Christopher Wojtowicz 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).

  • Room temperature sensor and thermostat control device
    Patent number: 5934554
    Abstract: A thermostat control having improved user controls wherein an analog version contains a binary coded switch for selectively setting a setpoint temperature. The binary coded switch is configured to have discrete positions corresponding to a plurality of setpoint temperature settings. It contains, among other things, a resistor network configured to produce a setpoint signal indicative of the binary coded switch position and a setpoint adjust switch for setting the binary coded switch position. Also, digital version having a man-machine interface port, wherein point information from a controller can be viewed and modified with the thermostat control device controls when a hardware passkey is inserted into the man-machine interface port.
    Type: Grant
    Filed: July 21, 1998
    Date of Patent: August 10, 1999
    Assignee: Siemens Building Technologies, Inc.
    Inventors: Donald E. Charles, Christopher Wojtowicz, Kenneth F. Wolfinger
  • Room temperature sensor and thermostat control device
    Patent number: 5816492
    Abstract: A thermostat control having improved user controls wherein an analog version contains a binary coded switch for selectively setting a setpoint temperature. The binary coded switch is configured to have discrete positions corresponding to a plurality of setpoint temperature settings. It contains, among other things, a resistor network configured to produce a setpoint signal indicative of the binary coded switch position and a setpoint adjust switch for setting the binary coded switch position. Also, digital version having a man-machine interface port, wherein point information from a controller can be viewed and modified with the thermostat control device controls when a hardware passkey is inserted into the man-machine interface port.
    Type: Grant
    Filed: July 19, 1996
    Date of Patent: October 6, 1998
    Assignee: Landis & Staefa, Inc.
    Inventors: Donald E. Charles, Christopher Wojtowicz, Kenneth F. Wolfinger