Patents by Inventor Alan J. Walker

Alan J. Walker 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).

  • Fan blade platform
    Patent number: 9017033
    Abstract: A fan assembly includes a first fan blade with a rib extending therealong and a first fairing platform mounted on and supported from the first fan blade. The first fairing platform has a flange with a groove that mates with the rib.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: April 28, 2015
    Assignee: United Technologies Corporation
    Inventors: Charles W. Brown, Shelton O. Duelm, Christopher M. Quinn, Alan J. Walker
  • FAN BLADE PLATFORM
    Publication number: 20130330196
    Abstract: A fan assembly includes a first fan blade with a rib extending therealong and a first fairing platform mounted on and supported from the first fan blade. The first fairing platform has a flange with a groove that mates with the rib.
    Type: Application
    Filed: June 7, 2012
    Publication date: December 12, 2013
    Applicant: UNITED TECHNOLOGIES CORPORATION
    Inventors: Charles W. Brown, Shelton O. Duelm, Christopher M. Quinn, Alan J. Walker
  • Electromagnetically driven pumps
    Patent number: 4072446
    Abstract: The invention resides in a rotary machine in which an electromagnetic spherically shaped armature and a pump impeller being enclosed in a casing are born, as a unit, by a frusto-spherical bearing of which the convex (or ball) part rotates, and in which frictional rotatable seal means are carried by an annular wall extending inwardly of the casing between armature and impeller supports the fixed bearing part and sealing means which isolate the spaces in which run the armature and the impeller respectively.
    Type: Grant
    Filed: February 24, 1976
    Date of Patent: February 7, 1978
    Assignee: R. E. Dupont Research and Investment Services Limited
    Inventor: Alan J. Walker