Patents by Inventor Andrew Bruce Walter Bigley, Jr.

Andrew Bruce Walter Bigley, Jr. 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).

  • Severing device
    Patent number: 5816128
    Abstract: A device for severing flexible polymeric tube, pipe, or tubular extrudate, such as flexible light pipe, reproducibly, cleanly, and safely is described. The device comprises a block with two specially aligned cylindrical devices for holding the pipe and a slot between the devices for guiding the severing blade with minimum deviation from its path, and a pivot and mounting upon which a blade in a holder is mounted to give even more accurate and uniform control of the path of the severing action.
    Type: Grant
    Filed: August 22, 1996
    Date of Patent: October 6, 1998
    Assignee: Rohm and Haas Company
    Inventors: Andrew Bruce Walter Bigley, Jr., Edward G. Ludwig, Jr., Ramon Calisto Perez, Niels Haun