Patents by Inventor Keith G. Crouch

Keith G. Crouch 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).

  • Variable air flow eddy control
    Patent number: 5302151
    Abstract: Methods and apparatus for controlling the flow of fluid around an object which include means to periodically vary or fluctuate the direction, speed or magnitude of the fluid flow. The fluid flow is particularly controlled to control eddy formation. The fluid is preferably a gas or vapor.
    Type: Grant
    Filed: January 4, 1993
    Date of Patent: April 12, 1994
    Assignee: The United States of America as represented by the Department of Health and Human Services
    Inventor: Keith G. Crouch
  • Variable air flow eddy control
    Patent number: 5176566
    Abstract: Methods and apparatus for controlling the flow of fluid around an object which include means to periodically vary or fluctuate the direction, speed or magnitude of the fluid flow. The fluid flow is particularly controlled to control eddy formation. The fluid is preferably a gas or vapor.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: January 5, 1993
    Assignee: The United States of America as represented by the Secretary of the Department of Health and Human Services
    Inventor: Keith G. Crouch
  • Variable air flow eddy control
    Patent number: 5027694
    Abstract: Methods and apparatus for controlling the flow of fluid around an object which include means to periodically vary or fluctuate the direction, speed or magnitude of the fluid flow. The fluid flow is particularly controlled to control eddy formation. The fluid is preferably a gas or vapor.
    Type: Grant
    Filed: August 23, 1989
    Date of Patent: July 2, 1991
    Assignee: The United States of America as represented by the Secretary of the Department of Health and Human Services
    Inventor: Keith G. Crouch