Patents by Inventor Philip E. Butler

Philip E. Butler 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).

  • Wireless transmitting pressure measurement device
    Patent number: 7140257
    Abstract: A pressure measurement device includes a housing having an inlet, a transducer coupled to the inlet to generate an electrical signal representative of pressure at the inlet, and a data communication device coupled to the transducer to transmit a wireless signal corresponding to the electrical signal.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: November 28, 2006
    Assignee: Ashcroft Inc.
    Inventors: John W. Henson, Daniel G. Horne, Donald D. McIntosh, Walter J. Ferguson, John H. Bailey, Philip E. Butler, Douglas H. Beyer