Patents by Inventor Geary Robert Smith

Geary Robert Smith 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).

  • Lead-free copper alloy
    Patent number: 6149739
    Abstract: An improved white manganese bronze alloy containing, in weight percent, about 1.0-3.0 wt % aluminum, about 2.0-4.0 wt % bismuth, about 53-59 wt % copper, about 0.8-2.0 wt % iron, about 11-15 wt % manganese, about 5.0-7.0 wt % nickel, about 1.3-2.5 wt % tin, and about 18-24 wt % zinc, as well as incidental amounts of antimony, lead, phosphorus, silicon and sulfur, which is able to withstand vigorous cleaning and disinfection, and is not subject to galling.
    Type: Grant
    Filed: March 6, 1997
    Date of Patent: November 21, 2000
    Assignee: G & W Electric Company
    Inventor: Geary Robert Smith