Patents by Inventor Raymond Dragos

Raymond Dragos 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).

  • High ratio, reduced size epicyclic gear transmission for rotary wing aircraft with improved safety and noise reduction
    Publication number: 20050130792
    Abstract: A high ratio, double helical epicyclic gear transmission that is primarily intended for use in rotary wing aircraft employs double helical planet gears to obtain a reduction in size of the transmission, to improve the safety of the transmission, and to reduce the noise created by operation of the transmission.
    Type: Application
    Filed: November 10, 2003
    Publication date: June 16, 2005
    Inventors: Raymond Drago, Joseph Lenski, Mark Robuck
  • High profile contact ratio, non-involute gear tooth form and method
    Patent number: 4640149
    Abstract: A gear tooth which has a combination of an involute and a non-involute profile, and specifically a constant relative curvature and a high contact ratio, i.e., a contact ratio which is at least 2.
    Type: Grant
    Filed: March 4, 1983
    Date of Patent: February 3, 1987
    Assignee: The Boeing Company
    Inventor: Raymond Drago
  • Faucet handle
    Patent number: D290493
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: June 23, 1987
    Assignee: Masco Corporation
    Inventor: Raymond Dragos
  • Faucet handle
    Patent number: D290494
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: June 23, 1987
    Assignee: Masco Corporation
    Inventor: Raymond Dragos