Patents by Inventor Donald L. Wilkinson

Donald L. Wilkinson 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).

  • Clean storage unit air flow system
    Patent number: 5827118
    Abstract: A storage system for storing clean room products includes an enclosed compartment located within or adjacent to a clean room. The compartment includes storage sheles and a horizontal air flow system that includes an air filter, an air exhaust, a blower, and a plenum.
    Type: Grant
    Filed: August 28, 1996
    Date of Patent: October 27, 1998
    Assignee: Seh America, Inc.
    Inventors: Roy P. Johnson, Donald L. Wilkinson
  • Flowhood work station
    Patent number: 5700190
    Abstract: A flowhood work station has an inspection chamber having a perforated inspection surface. An air filtration housing is in fluid communication with the perforated inspection surface. A blower is capable of directing air downwardly through the perforated inspection surface. A return air plenum is in fluid communication with the perforated inspection surface and with the air filtration housing. The return air plenum captures a substantial portion of the air passing through the perforated inspection surface and directs the air to the air filtration housing.
    Type: Grant
    Filed: August 28, 1996
    Date of Patent: December 23, 1997
    Assignee: SEH America, Inc.
    Inventors: Roy P. Johnson, Donald L. Wilkinson