Patents by Inventor Rajesh D. Patel

Rajesh D. Patel 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).

  • Device and method for completing a fluidic circuit which employs a liquid expandable piece of bibulous material
    Patent number: 5135873
    Abstract: Disclosed are methods and devices for permitting capillary flow of liquid between two or more pieces of bibulous material which, prior to actuation, are in a non-capillary flow relationship. In particular, the device is actuated and a capillary flow relationship is initiated between the two or more pieces of bibulous material in non-capillary flow relationship by utilizing a liquid expandable piece of bibulous material.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: August 4, 1992
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Rajesh D. Patel, Nurith Kurn, Martin Becker, Edwin F. Ullman
  • Device and method for interrupting capillary flow
    Patent number: 5104812
    Abstract: Disclosed are devices and methods for interrupting capillary flow of a liquid between two pieces of bibulous material which, prior to actuation, are in a capillary flow relationship to each other. In particular, the capillary flow relationship of two pieces of bibulous material is interrupted by utilizing a liquid expandable piece of bibulous material.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: April 14, 1992
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Nurith Kurn, Rajesh D. Patel, Martin Becker, Edwin F. Ullman