Patents by Inventor Larry L. Stevens

Larry L. Stevens 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).

  • 2 speed 2/4-pole PSC/PSC motor with independent main windings and shared auxiliary winding
    Patent number: 8305026
    Abstract: A PSC/PSC motor for 2-pole operation and 4-pole operation. The motor uses an independent 2-pole main winding and an independent 4-pole main winding. An auxiliary winding includes an independent 2-pole auxiliary winding, an independent 4-pole auxiliary winding, and a shared auxiliary winding used in both the 2-pole operation and the 4-pole operation.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: November 6, 2012
    Assignee: Nidec Motor Corporation
    Inventors: Renyan W. Fei, Larry L. Stevens, John G. Schrader
  • 2 SPEED 2/4-POLE PSC/PSC MOTOR WITH INDEPENDENT MAIN WINDINGS AND SHARED AUXILIARY WINDING
    Publication number: 20110109258
    Abstract: A PSC/PSC motor for 2-pole operation and 4-pole operation. The motor uses an independent 2-pole main winding and an independent 4-pole main winding. An auxiliary winding includes an independent 2-pole auxiliary winding, an independent 4-pole auxiliary winding, and a shared auxiliary winding used in both the 2-pole operation and the 4-pole operation.
    Type: Application
    Filed: November 11, 2009
    Publication date: May 12, 2011
    Applicant: EMERSON ELECTRIC CO.
    Inventors: Renyan W. Fei, Larry L. Stevens, John G. Schrader
  • Stair rail for toddlers
    Patent number: 4948100
    Abstract: A stair rail assembly for attachment on a stairs provides a hand rail design for a toddler or a young child. Several heart-shaped mounted brackets having angular disposed tubular sockets thereon are secured to the stair structure or wall in engagement with the tread and riser portions of the stair and support outwardly angularly extending posts which carry T-fittings on their outer end which in turn engage a longitudinally extending hand rail positioned at an appropriate height so that it is conveniently engaged by a toddler or a young child. Fasteners, such as bolts or screws, are positioned through the heart-shaped mounted brackets to secure the same to the stair structure or wall.
    Type: Grant
    Filed: October 23, 1989
    Date of Patent: August 14, 1990
    Inventor: Larry L. Stevens