Patents by Inventor Sandor Johannes

Sandor Johannes 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).

  • Syringe tip retainer assembly
    Patent number: 5433485
    Abstract: The syringe tip is connected to a syringe head by an assembly that permits quick detachment and replacement of syringe tips without the use of tools. In one embodiment the assembly is adjustable for permitting or restricting rotation of the syringe tip.
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: July 18, 1995
    Assignee: A-Dec, Inc.
    Inventors: George K. Austin, Jr., Ronald A. Rolleston, II, Mathew H. Parlier, Sandor Johannes
  • Fluid flow controller
    Patent number: 5332194
    Abstract: A valve assembly for controlling fluid flow to a tube connected to the assembly by shifting of a sleeve mounted on the assembly. When the sleeve is shifted into a shutoff position, a fluid path through the assembly is completely occluded by a closure element in the sleeve. As the sleeve is rotated away from its shutoff position, the fluid path is gradually opened.
    Type: Grant
    Filed: February 4, 1993
    Date of Patent: July 26, 1994
    Assignee: A-Dec, Inc.
    Inventors: George K. Austin, Jr., Sandor Johannes, Theodore E. Schmidt
  • Retainer assembly for syringe tip
    Patent number: 5286065
    Abstract: A syringe tip is connected to a syringe head by an assembly that permits quick detachment and replacement of syringe tips without the use of tools. The assembly is adjustable for permitting or restricting rotation of syringe tip.
    Type: Grant
    Filed: February 24, 1992
    Date of Patent: February 15, 1994
    Assignee: A-Dec, Inc.
    Inventors: George K. Austin, Sandor Johannes, Ronald A. Rolleston, II
  • Control system for dental handpieces
    Patent number: 5201899
    Abstract: Control system for multiple handpieces and associated devices includes a plurality of module control blocks secured in an assembly with a manifold that receives and distributes fluids to the blocks. Blocks contain cartridge valves, each removable through a single face of the control blocks for ease of access. The control blocks are adapted for attachment of auxiliary control devices. Flow control devices in the blocks are controlled by lifting of handpieces from hangers and/or by foot operated controls.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: April 13, 1993
    Assignee: A-DEC, Inc.
    Inventors: George K. Austin, Jr., Paul D. Sturges, Sandor Johannes
  • Valve assembly with flow control
    Patent number: 5150880
    Abstract: A female member with an internal fluid shut-off is mounted to a panel and has a bore for receiving a male member. The male member has a nose for insertion into the female portion such that it automatically opens the shut-off. The male member includes an internal flow-rate control valve and a latch for quick-disconnect from the female member.
    Type: Grant
    Filed: February 14, 1991
    Date of Patent: September 29, 1992
    Inventors: George K. Austin, Jr., Sandor Johannes