Patents Assigned to Curtis Machine Company
  • Methods and apparatus for reducing the sound level of a gearbox
    Publication number: 20040094234
    Abstract: The present invention is directed to improved methods of reducing the sound level caused by meshing of gear teeth in a gear box, and in particular by reducing distortion caused by heat treatment as used in the manufacturing process of the gear teeth.
    Type: Application
    Filed: November 15, 2002
    Publication date: May 20, 2004
    Applicant: Curtis Machine Company, Inc.
    Inventors: Lloyd Stuart Curtis, Warren Eckelman, Harvey Blattner, Galen Kohn, Rajasekhar Pudi, John Thomas
  • Hypocyclic drive transmission apparatus
    Patent number: 4386540
    Abstract: An improved hypocyclic drive transmission which is utilized especially in applications where high gear reductions and high torque output are required, and without limitation may be utilized in connection with specific applications such as self-propelled, wheel-driven apparatus, including irrigation systems, mowers, and heavy, earth moving equipment and/or fertilizer units, which devices may be powered by any power source, including for example a hydrostatic or electric drive.
    Type: Grant
    Filed: June 9, 1978
    Date of Patent: June 7, 1983
    Assignee: Curtis Machine Company
    Inventor: Riley E. Skaggs, Jr.