Patents by Inventor Paul D. Jackman

Paul D. Jackman 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).

  • Pressure activated self-opening cartridge nozzle
    Patent number: 6578737
    Abstract: An improved cartridge for holding a variety of filler materials for use with a gun system, such cartridge of the type having a nozzle wherein the foil seal above the filler material in the barrel and beneath the nozzle can be punctured by pressurizing the filler material which action causes foil seal to move into contact with a sharpened edge disposed under the innerside of the base of the top under the sidewall of the nozzle to puncture the foil seal.
    Type: Grant
    Filed: July 23, 2001
    Date of Patent: June 17, 2003
    Inventor: Paul D. Jackman
  • Pressure activated self-opening cartridge nozzle
    Publication number: 20030015548
    Abstract: An improved cartridge for holding a variety of filler materials for use with a gun system, such cartridge of the type having a nozzle wherein the foil seal above the filler material in the barrel and beneath the nozzle can be punctured by pressurizing the filler material which action causes foil seal to move into contact with a sharpened edge disposed under the innerside of the base of the top under the sidewall of the nozzle to puncture the foil seal.
    Type: Application
    Filed: July 23, 2001
    Publication date: January 23, 2003
    Inventor: Paul D. Jackman
  • Self-puncturing cartridge nozzle
    Patent number: 6029856
    Abstract: An improved cartridge for holding a variety of filler materials for use with a gun system, such cartridge of the type having a nozzle wherein the foil seal above the filler material in the barrel and beneath the nozzle can be punctured by lateral movement of the nozzle of the cartridge by the user, which action causes a sharpened edge disposed under the innerside of the base of the top under the sidewall of the nozzle to puncture the foil seal.
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: February 29, 2000
    Inventor: Paul D. Jackman
  • Collapsible container
    Patent number: 5524789
    Abstract: A collapsible container with four side faces, a top portion, a bottom and multiple score lines defined in each of the four side faces so that a one-quarter rotation of the top portion of the container while the bottom is held stationary causes the side faces to collapse and fold inward upon themselves along score lines on each side face.
    Type: Grant
    Filed: July 12, 1995
    Date of Patent: June 11, 1996
    Inventor: Paul D. Jackman