Patents by Inventor John Hultman

John Hultman 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).

  • Patent number: 7958828
    Abstract: A drag stabilized low lethality impact munition includes a sub-munition packaged in shell case. The sub-munition includes a main body having a trailing feature that is folded to extend at least partway around at least one of the sides of the main body toward the top of the main body. After folding, the sub-munition is inserted into the shell case, bottom first, while maintaining at least a portion of the trailing feature along at least one of the sides of the main body.
    Type: Grant
    Filed: July 29, 2008
    Date of Patent: June 14, 2011
    Assignee: Safariland, LLC
    Inventors: John A. Kapeles, John A. Hultman
  • Publication number: 20110120338
    Abstract: A drag stabilized low lethality impact munition includes a sub-munition packaged in shell case. The sub-munition includes a main body having a trailing feature that is folded to extend at least partway around at least one of the sides of the main body toward the top of the main body. After folding, the sub-munition is inserted into the shell case, bottom first, while maintaining at least a portion of the trailing feature along at least one of the sides of the main body.
    Type: Application
    Filed: July 29, 2008
    Publication date: May 26, 2011
    Inventors: John A. Kapeles, John A. Hultman
  • Publication number: 20110000392
    Abstract: A reloadable munition having a reusable shell base having a hollow cavity on a bottom face to accept a propulsion system reload and a reusable projectile inserted into a top portion of the shell base, and a mechanical retainer for the propulsion system reload in the shell base to provide reloading and reusing of the munition by hand.
    Type: Application
    Filed: August 27, 2007
    Publication date: January 6, 2011
    Inventors: John A. Kapeles, John A. Hultman
  • Publication number: 20100224092
    Abstract: A stun grenade includes a fuze assembly secured to a housing adjacent gas outlet ports. The fuze assembly includes a fuze body having contact surfaces located in the flow path of the gas from the outlet ports so that gas flowing from the outlet ports impinges on the contact surfaces. The contact surfaces of the fuze body extend at an angle of no more than about 50 degrees to the first direction.
    Type: Application
    Filed: March 9, 2010
    Publication date: September 9, 2010
    Applicant: SAFARILAND, LLC
    Inventors: John A. Kapeles, John A. Hultman
  • Publication number: 20090235838
    Abstract: A selectable delay mechanism for a pyrotechnic munition having an indexing sleeve and a fuze core containing delay composition positioned within the indexing sleeve and a plurality of ports each located in the indexing sleeve and the fuze core wherein a port in the indexing sleeve is aligned with a port in the fuze core to vary the initiation of the delay composition.
    Type: Application
    Filed: March 10, 2009
    Publication date: September 24, 2009
    Inventor: John A. Hultman
  • Publication number: 20090025597
    Abstract: An ammunition cartridge for an electrical discharge weapon having at least one dart positioned within a dart chamber in the housing. The cartridge has at least one adjustable barrel for selection between close and extended ranges and a joint and port for adjusting pressure in the barrel. In another form the cartridge has two fixed barrels and a retractable deflection ramp for selection between close and extended ranges.
    Type: Application
    Filed: September 26, 2008
    Publication date: January 29, 2009
    Inventors: John Kapeles, John A. Hultman
  • Patent number: 7444939
    Abstract: A primer-fired ammunition cartridge for an electrical discharge weapon having a housing with an exterior surface and two wire-tethered darts positioned within dart chambers in the housing and two electrical contacts positioned on opposite surfaces of the housing for lengthening an electrical arc path across the exterior surface of the housing. The housing can include a flange portion for engaging a chamber in an electrical discharge weapon wherein the flange portion includes an aperture thereby allowing the flange portion to bow and absorb resultant forces between the ammunition cartridge and the chamber of the electrical discharge weapon during firing of the cartridge.
    Type: Grant
    Filed: March 17, 2005
    Date of Patent: November 4, 2008
    Assignee: Defense Technology Corporation of America
    Inventors: James F. McNulty, John A. Hultman
  • Patent number: 7444940
    Abstract: An ammunition cartridge for an electrical discharge weapon having at least one dart positioned within a dart chamber in the housing. The cartridge has at least one adjustable barrel for selection between close and extended ranges and a joint and port for adjusting pressure in the barrel. In another form the cartridge has two fixed barrels and a retractable deflection ramp for selection between close and extended ranges.
    Type: Grant
    Filed: April 11, 2005
    Date of Patent: November 4, 2008
    Assignee: Defense Technology Corporation of America
    Inventors: John Kapeles, John A. Hultman
  • Publication number: 20060225334
    Abstract: An ammunition cartridge for an electrical discharge weapon having at least one dart positioned within a dart chamber in the housing. The cartridge has at least one adjustable barrel for selection between close and extended ranges and a joint and port for adjusting pressure in the barrel. In another form the cartridge has two fixed barrels and a retractable deflection ramp for selection between close and extended ranges.
    Type: Application
    Filed: April 11, 2005
    Publication date: October 12, 2006
    Inventors: John Kapeles, John Hultman
  • Publication number: 20060207466
    Abstract: A primer-fired ammunition cartridge for an electrical discharge weapon having a housing with an exterior surface and two wire-tethered darts positioned within dart chambers in the housing and two electrical contacts positioned on opposite surfaces of the housing for lengthening an electrical arc path across the exterior surface of the housing. The housing can include a flange portion for engaging a chamber in an electrical discharge weapon wherein the flange portion includes an aperture thereby allowing the flange portion to bow and absorb resultant forces between the ammunition cartridge and the chamber of the electrical discharge weapon during firing of the cartridge.
    Type: Application
    Filed: March 17, 2005
    Publication date: September 21, 2006
    Inventors: James McNulty, John Hultman