PR

Purushothama Rao

GT Gnb Technologies: 8 patents #3 of 37Top 9%
GN Gnb: 5 patents #3 of 15Top 20%
GT Gnb Battery Technologies: 4 patents #5 of 19Top 30%
GB Gnb Batteries: 1 patents #16 of 36Top 45%
GO Gould: 1 patents #131 of 364Top 40%
Overall (All Time): #242,308 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6406813 Lead-acid separators and cells and batteries using such separators 2002-06-18
6351878 Method for making positive grids and lead-acid cells and batteries using such grids 2002-03-05
6180286 Lead-acid cells and batteries Thomas Uhlemann 2001-01-30
5958625 Positive lead-acid battery grids and cells and batteries using such grids 1999-09-28
5874186 Lead-acid cells and batteries Thomas Uhlemann 1999-02-23
5691087 Sealed lead-acid cells and batteries Thomas Uhlemann 1997-11-25
5650242 Antimony-arsenic-tin-selenium lead-based strap alloys for lead-acid batteries Steven R. Larsen 1997-07-22
5569552 Lead-acid battery having a fluid compartment for reducing convection-induced heat transfer Thomas Uhlemann, William H. Kump 1996-10-29
5460900 Lead-acid battery having a fluid compartment for reducing convection-induced heat transfer Thomas Uhlemann, William H. Kump 1995-10-24
5434025 Battery grids and plates and lead-acid batteries made using such grids and plates Thomas Uhlemann, John G. Larson, Steven R. Larsen 1995-07-18
5352549 Lead oxide composition for use in lead-acid batteries Frederick L. Marsh 1994-10-04
5348817 Bipolar lead-acid battery Jing-Yih Cherng 1994-09-20
5298350 Calcium-tin-silver lead-based alloys, and battery grids and lead-acid batteries made using such alloys 1994-03-29
5169734 Antimony - arsenic-tin-selenium lead-based strap alloys for lead-acid batteries Steven R. Larsen 1992-12-08
5159272 Monitoring device for electric storage battery and configuration therefor William H. Kump, Benny E. Jay, Clarence W. Fowler 1992-10-27
5126217 Frame for modular, multicell lead-acid batteries and such modular batteries 1992-06-30
4713304 Method of preparing lead-acid battery plates and lead-acid batteries containing plates so prepared Frederick L. Marsh 1987-12-15
4456579 Low antimony lead-based alloy and method Wendy J. Nelson 1984-06-26
4329408 Lead oxide composition for use in lead-acid batteries George W. Mao, Frederick L. Marsh, Francis M. Dunlevey 1982-05-11