Patents by Inventor Mary E. Pierce

Mary E. Pierce 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).

  • Publication number: 20150059580
    Abstract: A particle collector for collecting biological material using electrostatic precipitator (ESP) technology including a removable ESP collection tube having an electrode wire suspended therein, a high voltage power supply coupled to the electrode wire for generating an ionization field within the collection tube causing smaller particles entering the collection tube to precipitate onto the walls of the collection tube, electronics including a microcontroller for controlling the operation of the collector, and a housing assembly for housing the collection tube, the high voltage power supply and the electronics.
    Type: Application
    Filed: August 26, 2014
    Publication date: March 5, 2015
    Inventors: Joseph W. Clement, Peter J. Anderson, Micah R. Decker, Thomas J. Keeley, Mary E. Pierce, Valorie T. Ryan, Darren J. Radke
  • Patent number: 6933252
    Abstract: The present invention provides nonwoven glass composites formed from an essentially boron free glass wool and an essentially boron free chopped glass fiber, used as a reinforcing material. The nonwoven glass composites are suitable for air filtration apparatus and can be used in the semiconductor industry where the elimination of boron from clean rooms is of importance.
    Type: Grant
    Filed: December 14, 2000
    Date of Patent: August 23, 2005
    Assignee: Hollingsworth & Vose Company
    Inventor: Mary E. Pierce
  • Publication number: 20030207628
    Abstract: The present invention provides nonwoven glass composites formed from an essentially boron free glass wool and an essentially boron free chopped glass fiber, used as a reinforcing material. The nonwoven glass composites are suitable for air filtration apparatus and can be used in the semiconductor industry where the elimination of boron from clean rooms is of importance.
    Type: Application
    Filed: December 14, 2000
    Publication date: November 6, 2003
    Inventor: Mary E. Pierce