Patents Assigned to RSR Technologies
  • Lead-tin-silver-bismuth containing alloy for positive grid of lead acid batteries
    Patent number: 7923155
    Abstract: A lead-acid battery grid made from a lead-based alloy containing, in addition to lead, tin at a concentration that is at least about 0.500%, silver at a concentration that is greater than 0.006%, and bismuth at a concentration that is at least about 0.005%, and, if calcium is present in the lead-based alloy, the calcium is at concentration that is no greater than about 0.010%.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: April 12, 2011
    Assignees: Northstar Battery Company, LLC, RSR Technologies
    Inventors: David R. Prengaman, Frank A. Fleming
  • Lead-Tin-Silver-Bismuth Containing Alloy for Positive Grid of Lead Acid Batteries
    Publication number: 20080233482
    Abstract: A lead-acid battery grid made from a lead-based alloy containing, in addition to lead, tin at a concentration that is at least about 0.500%, silver at a concentration that is greater than 0.006%, and bismuth at a concentration that is at least about 0.005%, and, if calcium is present in the lead-based alloy, the calcium is at concentration that is no greater than about 0.010%.
    Type: Application
    Filed: March 17, 2008
    Publication date: September 25, 2008
    Applicants: NorthStar Battery Company LLC, RSR Technologies
    Inventors: David R. Prengaman, Frank Fleming