Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Olaf Sielemann — 4 Patents

ETExide Technologies: 2 patents #10 of 51Top 20%
CDCompagnie Europeenne D'Accumulateurs: 1 patents #2 of 19Top 15%
VKVb Autobatterie Gmbh & Co. Kgaa: 1 patents #5 of 15Top 35%
Wächtersbach, DE: #13 of 42 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Olaf Sielemann has been granted 4 US patents while listed as an inventor at Exide Technologies. The first was granted in 1997 and the most recent in July 2018. Olaf Sielemann ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Olaf Sielemann in Wächtersbach, DE.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10031185 Method for determining a state of charge and remaining operation life of a battery Rainer Bussar, Gerd Hoogestraat, Wolfgang Rudolf Fischer, Thomas P. Hopper, Nicolas Henri Bernard Redon +1 more 2018-07-24
10014520 Composition that enhances deep cycle performance of valve-regulated lead-acid batteries filled with gel electrolyte Satoru Yaegashi, Harald Niepraschk 2018-07-03
8168323 Battery cover Gerolf Richter, Peter Streuer, Hans-Heinrich Schirmer 2012-05-01
5664321 Process for the production of a lead accumulator Harald Niepraschk, Peter Nemec-Losert 1997-09-09