Patents by Inventor Wallace J. Lewis

Wallace J. Lewis 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).

  • Handheld instrument for monitoring and/or identification of chemicals
    Patent number: 7607338
    Abstract: A Computer Vision Chemical Detector has been developed that uses invertebrate organisms trained to respond to targeted chemical odors.
    Type: Grant
    Filed: July 20, 2005
    Date of Patent: October 27, 2009
    Assignee: The United States of America as represented by the Secretary of Agriculture
    Inventors: Wallace J. Lewis, Glen C. Rains, Samuel L. Utley
  • Utilization of invertebrate learning for flexible and sensitive monitoring and identification of chemicals
    Patent number: 6919202
    Abstract: A Chemical Detector, a training method and a method for detecting a chemical or chemicals has been developed that uses invertebrate organisms trained to respond to targeted chemical odors.
    Type: Grant
    Filed: April 5, 2001
    Date of Patent: July 19, 2005
    Assignees: The United States of America, as represented by the Secretary of Agriculture, University of Georgia Research Foundation, Inc.
    Inventors: Wallace J. Lewis, James H. Tumlinson, Dawn M. Olson, Glen C. Rains, Keiji Takasu, Torsten Meiners, Veronique Kerguelen, Felix Waeckers, Claire Bonifay
  • Utilization of invertebrate learning for flexible and sensitive monitoring and identification of chemicals
    Publication number: 20030148529
    Abstract: A Chemical Detector, a training method and a method for detecting a chemical or chemicals has been developed that uses invertebrate organisms trained to respond to targeted chemical odors.
    Type: Application
    Filed: April 5, 2001
    Publication date: August 7, 2003
    Inventors: Wallace J. Lewis, James H. Tumlinson, Dawn M. Olson, Glen C. Rains, Keiji Takasu, Torsten Meiners, Veronique Kerguelen, Felix Waeckers, Claire Bonifay
  • Plasma spray screen repair method
    Patent number: 4592922
    Abstract: A method in high temperature repair of damaged fuel cell screens comprising the steps of forming a mask, bathing the screen to be repaired in pure argon, masking the damage site with the mask, applying to the site selected repair material via plasma spray in several cycles each cycle interspersed with a cooling period, where a test wafer may be exposed on the surface of the mask for metering purposes.
    Type: Grant
    Filed: March 15, 1985
    Date of Patent: June 3, 1986
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Wallace J. Lewis
  • Heat pipe fabrication
    Patent number: 4557413
    Abstract: A method of eutectic bonding of a stainless steel fine mesh screen directly to a surface of a titanium member by cleaning the surfaces of the screen and member and subjecting those parts to pressure to secure an intimate contact and heat to effect the bonding thereof without destroying the integrity of the screen and adversely affecting the wicking action of the screen which is of prime importance.
    Type: Grant
    Filed: April 11, 1984
    Date of Patent: December 10, 1985
    Assignee: McDonnell Douglas
    Inventors: Wallace J. Lewis, David R. Bolser