Patents by Inventor Mahesh K. Cheerla

Mahesh K. Cheerla 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).

  • Plumbing fixture made of bismuth brass alloy
    Patent number: 8465003
    Abstract: A plumbing fixture includes a plumbing fixture body having a composition of, by weight percentage, 58-63 of copper, 0.8-1.5 of bismuth, 0.05-0.15 of phosphorous, and a remainder of zinc and any impurities. The plumbing fixture body includes a first opening and a second opening that are arranged to communicate a fluid there through. The first opening defines a first inner diameter D1 and the second opening defines a second inner diameter D2 such that a ratio of D1/D2 is 1.05-2.3.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: June 18, 2013
    Assignee: Brasscraft Manufacturing Company
    Inventors: Mahesh K. Cheerla, Robert O. Learmont
  • PLUMBING FIXTURE MADE OF BISMUTH BRASS ALLOY
    Publication number: 20130048899
    Abstract: A plumbing fixture includes a plumbing fixture body having a composition of, by weight percentage, 58-63 of copper, 0.8-1.5 of bismuth, 0.05-0.15 of phosphorous, and a remainder of zinc and any impurities. The plumbing fixture body includes a first opening and a second opening that are arranged to communicate a fluid there through. The first opening defines a first inner diameter D1 and the second opening defines a second inner diameter D2 such that a ratio of D1/D2 is 1.05-2.3.
    Type: Application
    Filed: August 26, 2011
    Publication date: February 28, 2013
    Inventors: Mahesh K. Cheerla, Robert O. Learmont
  • Method of processing a bismuth brass article
    Patent number: 8211250
    Abstract: A method of processing a bismuth brass article includes the steps of machining an extruded brass rod to form an article of a desired shape and annealing the article at an annealing temperature that is no greater than 575° F./302° C. to relieve stress caused by the machining. The extruded brass rod includes a composition, by weight percentage, that includes 58-63 of copper, 0.8-1.5 of bismuth, 0.05-0.15 of phosphorous and a remainder of zinc and any impurities.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: July 3, 2012
    Assignee: BrassCraft Manufacturing Company
    Inventors: Mahesh K. Cheerla, Robert O. Learmont