Patents by Inventor Steve Meddaugh

Steve Meddaugh 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).

  • Apparatus and method of using PMT having wrap-around circuitry
    Patent number: 5523556
    Abstract: A Cockcroft-Walton (CW) multiplying circuit is mounted to wrap around a cylindrical structure. A photomultiplier tube (PMT) has a photocathode which emits electrons and has dynodes connected to the CW multiplying circuit. The dynodes are biased to attract electrons from the photocathode. An electrical shield surrounds the PMT and the PMT nests within the shield. The cylindrical structure surrounds the shield and the shield nests within the cylindrical structure. The shield is a conductive material which electrically isolates the PMT from the CW multiplying circuit.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: June 4, 1996
    Assignee: Schlumberger Technology Corporation
    Inventors: Steve Meddaugh, Mehrzad Mahdavi, Stefan Vajda