Patents by Inventor Benjamin Clinton Bradley

Benjamin Clinton Bradley 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).

  • Dial inbound meter interface unit which derives power from telephone line when telephone is ringing
    Patent number: 5982862
    Abstract: The invention is a dial inbound MIU which includes a rechargeable power supply, such as a double layer capacitor (sometimes called a "supercapacitor" or a "SuperCap") or a rechargeable battery. The power supply can be recharged from the telephone line, either from the DC current available when the phone line is on-hook or off-hook or from the AC current which is available when the telephone line is ringing.
    Type: Grant
    Filed: July 8, 1996
    Date of Patent: November 9, 1999
    Assignee: Schlumberger Industries, Inc.
    Inventors: Benjamin Clinton Bradley, Victor Christopher Trifu