Patents by Inventor Neil H. Brown

Neil H. Brown 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).

  • Aspirating plunger for power injector cartridges
    Patent number: 5314415
    Abstract: A self-aspirating plunger for power injector cartridges characterized by its ability to pump head space gas and aspirate the power injector cartridge without the need to draw backward on the plunger toward the proximal end of the cartride comprising:a female ring component;a male component having a stem and a cone-shaped portion, said stem slideably fitting into said female ring component; andan elastomeric diaphragm shell covering said female ring component and said cone shaped head portion of said male component.
    Type: Grant
    Filed: July 21, 1993
    Date of Patent: May 24, 1994
    Assignee: Sterling Winthrop Inc.
    Inventors: Richard T. Liebert, Neil H. Brown
  • Pre-filled plastic syringes and containers and method of terminal sterilization thereof
    Patent number: 5256154
    Abstract: Disclosed is a pre-filled plastic syringe containing a liquid product for terminal sterilization comprising: a syringe barrel equipped with a one-way valve and a slidable plunger to equalize pressure differentials; a filter engaging the one way valve to prevent backward migration of viruses and bacteria; an end cap covering the open end of the barrel to maintain sterility; and an end cap restraining device to prevent plunger blow-out.
    Type: Grant
    Filed: January 31, 1992
    Date of Patent: October 26, 1993
    Assignee: Sterling Winthrop, Inc.
    Inventors: Richard T. Liebert, Neil H. Brown, Randy E. Armbruster, Thomas M. Pack
  • Double-seal stopper for parenteral bottle
    Patent number: 5232109
    Abstract: An elastomeric stopper for a fluid-containing bottle to hermetically seal the content therein and to provide access thereto by the insertion of an infusion device through the stopper, the stopper comprising an annular protuberance which forms a second seal with the shaft of the infusion device to prevent leakage, blow-out and introduction of particulate matter into the bottle.
    Type: Grant
    Filed: June 2, 1992
    Date of Patent: August 3, 1993
    Assignee: Sterling Winthrop Inc.
    Inventors: Joseph V. Tirrell, Neil H. Brown
  • Stopper for reduction of particulate matter
    Patent number: 5219083
    Abstract: Disclosed is a stopper for a medical vial suitable for piercings by a spike without producing unacceptable amounts of particulate matter, comprising: a stopper body of an elastomeric material; and an abrasion resistant coating covering the top, central, piercable surface of the stopper.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: June 15, 1993
    Assignee: Sterling Winthrop Inc.
    Inventors: Richard T. Liebert, Neil H. Brown
  • Method of terminal steam sterilization
    Patent number: 5207983
    Abstract: Disclosed is a method for terminal steam sterilization of a pre-filled plastic syringe or a pre-filled plastic cartridge, said method comprising the steps of: maintaining a head space in the syringe or cartridge of less than about 10%--of the fill--volume; providing at least a 10% leeway for the plunger therein to slide in response to pressure differential; and sterilizing the syringe or cartridge at an autoclave pressure that is less than the internal pressure of the syringe or cartridge.
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: May 4, 1993
    Assignee: Sterling Winthrop Inc.
    Inventors: Richard T. Liebert, Neil H. Brown, John R. Pistolese
  • Closure for vials
    Patent number: D349648
    Type: Grant
    Filed: June 2, 1992
    Date of Patent: August 16, 1994
    Assignee: Sterling Winthrop Inc.
    Inventors: Joseph V. Tirrell, Neil H. Brown
  • Aspirating plunger for power injector cartridges
    Patent number: D364461
    Type: Grant
    Filed: July 21, 1993
    Date of Patent: November 21, 1995
    Assignee: Sterling Winthrop, Inc.
    Inventors: Richard T. Liebert, Neil H. Brown