Patents by Inventor David M. Forman

David M. Forman 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).

  • Firing-readiness diagnostic of a pyrotechnic device such as an electronic detonator
    Patent number: 7107908
    Abstract: Firing-readiness diagnostics in an electronic pyrotechnic device such as an electronic detonator or an electronic blasting system thereof. The diagnostics may include a check for any incompatible attached devices, a resistance or continuity check of an ignition element, and/or a capacitance check of a firing capacitor.
    Type: Grant
    Filed: July 15, 2003
    Date of Patent: September 19, 2006
    Assignee: Special Devices, Inc.
    Inventors: David M. Forman, David T. Jennings, III, Gimtong Teowee
  • Standalone ignition subassembly for detonators
    Publication number: 20030221577
    Abstract: A standalone ignition subassembly designed for ready incorporation into pyrotechnic detonators.
    Type: Application
    Filed: May 29, 2002
    Publication date: December 4, 2003
    Inventors: John J. Walsh, David M. Forman, Abrar A. Tirmizi, Gloria Vawter
  • Detonator with onboard electronics mechanically connected to ignition element
    Publication number: 20030221578
    Abstract: A detonator with onboard electronics and an ignition element that are mechanically connected together.
    Type: Application
    Filed: May 29, 2002
    Publication date: December 4, 2003
    Inventors: David M. Forman, Abrar A. Tirmizi, Bruce J. Kwiatkowski, Thomas A. Cook
  • Detonator with an ignition element having a transistor-type sealed feedthrough
    Publication number: 20030221576
    Abstract: A detonator with an ignition element that includes a transistor-style sealed header feedthrough.
    Type: Application
    Filed: May 29, 2002
    Publication date: December 4, 2003
    Inventors: David M. Forman, John H. Oldham
  • Detonator utilizing features of automotive airbag initiators
    Publication number: 20030221575
    Abstract: A detonator that incorporates certain features of automotive airbag initiators, and methods of making same.
    Type: Application
    Filed: May 29, 2002
    Publication date: December 4, 2003
    Inventors: John J. Walsh, David M. Forman, Abrar A. Tirmizi, Gloria Vawter
  • Adjustable shelf mounting system
    Patent number: 4381715
    Abstract: A novel shelf support system which is capable of bearing heavy loads and provides a large measure of adjustability, yet is completely self-contained and only very minimally visible where the shelf meets the wall. The system comprises threaded fasteners for securement to a wall, e.g. at the stud locations, each fastener bearing a support shaft and a spring clip for interengagement with detent grooves which run lengthwise of elongated recessed chambers within the shelf.
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: May 3, 1983
    Inventor: David M. Forman