Patents by Inventor Hendrik M. Bekkering

Hendrik M. Bekkering 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).

  • Automatic injection device
    Patent number: 4661098
    Abstract: The invention relates to an automatic injection device comprising a discharge mechanism, a cartridge holder and a cartridge which is slidably accommodated in the holder, the cartridge comprising a glass ampoule having an injection needle connected thereto. A sheath of shrinkable plastic sheet is shrunk around the ampoule entirely or for the greater part.
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: April 28, 1987
    Assignee: Duphar International Research B.V.
    Inventors: Hendrik M. Bekkering, Henricus H. M. Vulink
  • Automatic injection device
    Patent number: 4565543
    Abstract: The invention relates to an automatic injection device comprising a discharge mechanism, a cartridge holder and a cartridge which is slidably accommodated in the holder, the cartridge comprising a glass ampoule having an injection needle connected thereto. A sheath of shrinkable plastic sheet is shrunk around the ampoule entirely or for the greater part thereof.
    Type: Grant
    Filed: October 24, 1983
    Date of Patent: January 21, 1986
    Assignee: Duphar International Research B.V.
    Inventors: Hendrik M. Bekkering, Henricus H. M. Vulink
  • Automatic injection syringe
    Patent number: 4447231
    Abstract: The invention relates to an automatic syringe comprising a combination of a discharge mechanism, a cartridge holder and a cartridge which is slidably accommodated in the cartridge holder. The cartridge comprises an ampoule containing one or more injection liquids, a piston movable in the ampoule and a hypodermic needle which is connected to the front of the ampoule and, if desired, is covered by a sheath to maintain the needle in a sterile condition. The discharge mechanism is provided with a power source which can move the cartridge from an inoperative to an operative condition. Also present are locking means for controlling the actuation of the power source and a safety device for blocking said locking device.The automatic syringe of the invention is characterized in that it comprises a tablet holder which can contain one or more tablets.The invention also relates to a tablet holder for the above syringe.
    Type: Grant
    Filed: July 22, 1982
    Date of Patent: May 8, 1984
    Assignee: Duphar International Research B.V.
    Inventor: Hendrik M. Bekkering
  • Disposable injection syringe
    Patent number: 4291695
    Abstract: A disposable injection syringe having a very small volume of unusable injection liquid. The liquid container has a constant diameter over its entire length so that the plunger can move at least all the way to the needle connection end of the container.
    Type: Grant
    Filed: May 2, 1980
    Date of Patent: September 29, 1981
    Assignee: Duphar International Research B.V.
    Inventors: Hendrik M. Bekkering, Ernst M. Schmidt
  • Syringe
    Patent number: 4235235
    Abstract: The needle end of the barrel of a pre-filled syringe is sealed by a stopper which is displaceable into the shaft of a needle holder. The stopper is displaced, to release injection fluid, by operation of the syringe plunger. One or more slots in the walls of the needle holder shaft and the rear face of the needle holder neck conduct fluid around the displaced stopper. The stopper substantially fills the shaft of the needle holder but does not cover the ends of the slots which adjoin the barrel.
    Type: Grant
    Filed: December 11, 1978
    Date of Patent: November 25, 1980
    Assignee: Duphar International Research B.V.
    Inventor: Hendrik M. Bekkering