Patents by Inventor Michael J. Schoenewolff

Michael J. Schoenewolff 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).

  • Apparatus for manufacturing articles
    Patent number: 6134866
    Abstract: Apparatus for manufacturing articles including isolation structure isolating the first end of an article producing machine from the second end of the machine to permit a higher level of cleanliness to be established at the first machine end where the articles are actually manufactured than at the second machine end.
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: October 24, 2000
    Assignee: Vital Signs, Inc.
    Inventors: Michael J. Schoenewolff, Richard Q. Poynter, Jeffrey L. Price
  • Aseptic liquid fillings
    Patent number: 6098676
    Abstract: Process and apparatus for providing a HEPA air shower to the critical fill zone of the liquid filling operation for preventing entry of particulate, non-viable and viable particulate, into the critical filling zone by providing opposed flows of pressurized HEPA air, by providing opposed laminar flows of pressurized HEPA air, or by providing a single laminar flow of pressurized HEPA air to the critical filling zone to provide the HEPA air shower.
    Type: Grant
    Filed: February 22, 1999
    Date of Patent: August 8, 2000
    Assignee: Vital Signs Inc.
    Inventors: Richard Q. Poynter, Jeffrey L. Price, Michael J. Schoenewolff
  • Aseptic liquid filling
    Patent number: 5947170
    Abstract: Process and apparatus for providing a HEPA air shower to the critical fill zone of the liquid filling operation for preventing entry of particulate, non-viable and viable particulate, into the critical filling zone by providing opposed flows of pressurized HEPA air to the critical filling zone to provide the HEPA air shower.
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: September 7, 1999
    Assignee: Vital Signs Inc.
    Inventors: Richard Q. Poynter, Jeffrey L. Price, Michael J. Schoenewolff, Michael C. Derby