Patents by Inventor Timothy B. Campbell

Timothy B. Campbell 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).

  • Automatic valve shutoff device and methods
    Patent number: 9702123
    Abstract: Examples of automatic valve shutoff systems are described which may include an actuation device including an actuator and a valve attachment portion. The valve attachment portion may be configured for attachment with an existing valve in a fluid or compressible gas supply line. The system may further include a controller coupled to the actuation device, wherein the controller is configured to initiate a valve shutoff process in response to a wireless signal. Wake-up circuitry may be coupled to the controller and configured to monitor the supply line for vibrations and activate the controller in response to the vibrations.
    Type: Grant
    Filed: September 10, 2015
    Date of Patent: July 11, 2017
    Assignee: University of Washington Through Its Center For Commercialization
    Inventors: Shwetak N. Patel, Timothy B. Campbell, Eric C. Larson, Gabriel A. Cohn
  • AUTOMATIC VALVE SHUTOFF DEVICE AND METHODS
    Publication number: 20150376875
    Abstract: Examples of automatic valve shutoff systems are described which may include an actuation device including an actuator and a valve attachment portion. The valve attachment portion may be configured for attachment with an existing valve the in a fluid or compressible gas supply line. The system may further include a controller coupled to the actuation device, wherein the controller is configured to initiate a valve shutoff process in response to a wireless signal. Wake-up circuitry may be coupled to the controller and configured to monitor the supply line for vibrations and activate the controller in response to the vibrations.
    Type: Application
    Filed: September 10, 2015
    Publication date: December 31, 2015
    Inventors: Shwetak N. Patel, Timothy B. Campbell, Eric C. Larson, Gabriel A. Cohn
  • Automatic valve shutoff device and methods
    Patent number: 9151022
    Abstract: Examples of automatic valve shutoff systems are described which may include an actuation device including an actuator and a valve attachment portion. The valve attachment portion may be configured for attachment with an existing valve in a fluid or compressible gas supply line. The system may further include a controller coupled to the actuation device, wherein the controller is configured to initiate a valve shutoff process in response to a wireless signal. Wake-up circuitry may be coupled to the controller and configured to monitor the supply line for vibrations and activate the controller in response to the vibrations.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: October 6, 2015
    Assignee: University of Washington Through Its Center for Commercialization
    Inventors: Shwetak N. Patel, Timothy B. Campbell, Eric C. Larson, Gabriel A. Cohn