Patents by Inventor Timothy Edward Steenwyk

Timothy Edward Steenwyk 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).

  • Electronic door latch system with water rejection filtering
    Patent number: 7026861
    Abstract: A control circuit receives inputs from first and second field effect sensors. The control circuit produces a control output only if the second field effect sensor senses proximity or touch more than a predetermined time after the first field effect sensor senses proximity or touch.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: April 11, 2006
    Assignee: TouchSensor Technologies LLC
    Inventor: Timothy Edward Steenwyk
  • Field effect sensor two wire interconnect method and apparatus
    Patent number: 7023215
    Abstract: A field effect sensor interfaces with a power supply and detection circuit using two wires. The detection circuit can determine which of several parallel-connected field affect sensors is or is not activated at any given time.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: April 4, 2006
    Assignee: TouchSensor Technologies LLC
    Inventor: Timothy Edward Steenwyk