Patents by Inventor David Martin WILLIAMSON

David Martin WILLIAMSON 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).

  • Explosive composition for use in telescopically expanding non-lethal training ammunition
    Patent number: 11040923
    Abstract: An explosive composition for use in telescopically expanding non-lethal training ammunition comprises tetrazene and paraffin wax. The explosive composition can be used as a primer and/or as a source of energetic material in a telescopically expanding non-lethal training cartridge; it can be used to propel a projectile from a telescopically expanding non-lethal training cartridge; and/or it can be used to expand telescopically a non-lethal training cartridge within a host gun.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: June 22, 2021
    Assignee: UTM Ltd.
    Inventors: Martin Skeats, Michael Ernest Saxby, Adam Collins, David Martin Williamson
  • EXPLOSIVE COMPOSITION FOR USE IN TELESCOPICALLY EXPANDING NON-LETHAL TRAINING AMMUNITION
    Publication number: 20190135712
    Abstract: An explosive composition for use in telescopically expanding non-lethal training ammunition comprises tetrazene and paraffin wax. The explosive composition can be used as a primer and/or as a source of energetic material in a telescopically expanding non-lethal training cartridge; it can be used to propel a projectile from a telescopically expanding non-lethal training cartridge; and/or it can be used to expand telescopically a non-lethal training cartridge within a host gun.
    Type: Application
    Filed: October 1, 2018
    Publication date: May 9, 2019
    Inventors: Martin SKEATS, Michael Ernest SAXBY, Adam COLLINS, David Martin WILLIAMSON
  • EXPLOSIVE COMPOSITION FOR USE IN TELESCOPICALLY EXPANDING NON-LETHAL TRAINING AMMUNITION
    Publication number: 20160145166
    Abstract: An explosive composition for use in telescopically expanding non-lethal training ammunition comprises tetrazene and paraffin wax. The explosive composition can be used as a primer and/or as a source of energetic material in a telescopically expanding non-lethal training cartridge; it can be used to propel a projectile from a telescopically expanding non-lethal training cartridge; and/or it can be used to expand telescopically a non-lethal training cartridge within a host gun.
    Type: Application
    Filed: January 15, 2014
    Publication date: May 26, 2016
    Applicant: UTM IP LIMITED
    Inventors: Martin SKEATS, Michael Ernest SAXBY, Adam COLLINS, David Martin WILLIAMSON