Patents by Inventor Ronald H. Rosenfield

Ronald H. Rosenfield 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).

  • Gas turbine overspeed protection system
    Patent number: 8246294
    Abstract: An overspeed protection system for a gas turbine engine comprises: a plurality of engine speed sensors that generate engine speed signals; and a plurality of engine overspeed detection channels, each channel comprising an overspeed detector that receives and generates an overspeed signal when it detects the engine speed signal exceeding a selected value of overspeed.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: August 21, 2012
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Ronald H. Rosenfield, Wayne T. Tran, Charles Spatafore
  • Gas Turbine Overspeed Protection System
    Publication number: 20080213084
    Abstract: An overspeed protection system for a gas turbine engine comprises: a plurality of engine speed sensors that generate engine speed signals; and a plurality of engine overspeed detection channels, each channel comprising an overspeed detector that receives and generates an overspeed signal when it detects the engine speed signal exceeding a selected value of overspeed.
    Type: Application
    Filed: January 15, 2008
    Publication date: September 4, 2008
    Inventors: Ronald H. Rosenfield, Wayne T. Tran, Charles Spatafore
  • Fruit juice extractor/straw
    Patent number: 4889044
    Abstract: A device for extracting juice from oranges and other citrus fruits of various dimensions. The device is capable of capturing most of the juice within the fruit without juice leaking from the device onto the user.
    Type: Grant
    Filed: February 24, 1989
    Date of Patent: December 26, 1989
    Assignee: Alltech Services, Incorporated
    Inventor: Ronald H. Rosenfield