Patents by Inventor Gordon E. Prindle

Gordon E. Prindle 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: 4988335
    Abstract: An implanting gun apparatus (10) is described. A rod (31) is linearly moveable in a pistol grip (11) so as to move a pellet out a barrel (13). A pivotable linkage (34) between a trigger (36) and a holder (32) for the rod is actuated by the trigger. The gun apparatus is particularly adapted to implant pellets in animals, particularly as medicament pellets.
    Type: Grant
    Filed: August 16, 1988
    Date of Patent: January 29, 1991
    Assignee: Ideal Instruments, Inc.
    Inventors: Gordon E. Prindle, Thomas J. Kelm
  • Patent number: 4747834
    Abstract: A reusable syringe assembly (10) in combination with a disposable syringe assembly 11 is described. A plunger 11b of the disposable syringe assembly moves with a liquid (100) as a chamber (14) in the reusable syringe assembly is refilled, thereby eliminating a conventional vertical bottle connected to the reusable syringe assembly.
    Type: Grant
    Filed: September 28, 1987
    Date of Patent: May 31, 1988
    Assignee: Ideal Instruments, Inc.
    Inventor: Gordon E. Prindle
  • Patent number: 4738664
    Abstract: A pistol grip syringe (10) with a removable fluid container (16) is described. A piston (18) in the container separates from a driving rod (19) when the container is removed from the collar (56). The container is removed from the collar by turning one-quarter turn or less to unlock ears 16a on the container from the collar. A wedge (58) holds the rod in position during dispensing and is unlocked to pull the piston rearward in the container. The container can be disposable and the unit is easily cleaned.
    Type: Grant
    Filed: April 20, 1987
    Date of Patent: April 19, 1988
    Assignee: Ideal Instruments, Inc.
    Inventor: Gordon E. Prindle
  • Patent number: 4715853
    Abstract: A back fill syringe assembly (10) which is supplied by a fluid from a bottle (12) through a tube (11) is described. The syringe assembly preferably automatically refills upon injection of an animal.
    Type: Grant
    Filed: September 19, 1986
    Date of Patent: December 29, 1987
    Assignee: Ideal Instruments, Inc.
    Inventor: Gordon E. Prindle
  • Patent number: 4687465
    Abstract: An automatic clip or carrier 100 fed pellet implanting gun apparatus 10 is described. The gun uses a pivotable lever 15 with a projection 15e on arm 15b which engages an arcuate surface 101a of a cam 101 on the carrier and snaps into place adjacent a drive surface 101b of the cam when the trigger 36 is depressed and then the projection engages the drive surface to move a next adjacent a new chamber 100a into line with a barrel 13a of needle 13 and opening 14k in a head means so that rod 31 can again insert a pellet. The gun apparatus is particularly adapted to implant pellets in animals, particularly as medicament pellets.
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: August 18, 1987
    Assignee: Ideal Instruments, Inc.
    Inventors: Gordon E. Prindle, Thomas J. Kelm
  • Patent number: D303713
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: September 26, 1989
    Assignee: Ideal Instruments, Inc.
    Inventors: Thomas J. Kelm, Gordon E. Prindle
  • Patent number: D319697
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: September 3, 1991
    Assignee: Ideal Instruments, Inc.
    Inventors: Gordon E. Prindle, Thomas J. Kelm