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USPTO Patent Rankings Data through Dec 31, 2025
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Thomas Uhlemann — 10 Patents

GTGnb Technologies: 4 patents #5 of 37Top 15%
GTGnb Battery Technologies: 2 patents #7 of 19Top 40%
PGPurem Gmbh: 2 patents #44 of 141Top 35%
EGEberspächer Exhaust Technology Gmbh: 1 patents #86 of 185Top 50%
JEJ. Eberspaecher: 1 patents #77 of 183Top 45%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Thomas Uhlemann has been granted 10 US patents while listed as an inventor at Gnb Technologies. The first was granted in 1995 and the most recent in December 2023. Thomas Uhlemann ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Thomas Uhlemann in Stuttgart, MN, DE.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11840948 Silencer for an exhaust system of an internal combustion engine Thomas Müller, Philipp Kratz, Benjamin Röhr, Nicolas Mettenleiter, Frank Berkemer 2023-12-12
11643953 Exhaust muffler for an exhaust system of an internal combustion engine Nicolas Mettenleiter, Frank Berkemer 2023-05-09
10167756 Muffler for an exhaust system of an internal combustion engine Michael Marquardt-Stammberger, Roland Schwarz, Mathias ROTHFUß, Martin Straehle, Benjamin Roehr 2019-01-01
7874401 Exhaust muffler for exhaust system Peter Gorke 2011-01-25
6180286 Lead-acid cells and batteries Purushothama Rao 2001-01-30
5874186 Lead-acid cells and batteries Purushothama Rao 1999-02-23
5691087 Sealed lead-acid cells and batteries Purushothama Rao 1997-11-25
5569552 Lead-acid battery having a fluid compartment for reducing convection-induced heat transfer Purushothama Rao, William H. Kump 1996-10-29
5460900 Lead-acid battery having a fluid compartment for reducing convection-induced heat transfer Purushothama Rao, William H. Kump 1995-10-24
5434025 Battery grids and plates and lead-acid batteries made using such grids and plates Purushothama Rao, John G. Larson, Steven R. Larsen 1995-07-18