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USPTO Patent Rankings Data through Dec 31, 2025
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Stefan HÖLLER — 5 Patents

Wulfen, DE: #39 of 183 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Stefan HÖLLER has been granted 5 US patents. The first was granted in 2017 and the most recent in November 2022. Stefan HÖLLER ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Stefan HÖLLER in Wulfen, DE.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11505871 Method for operating a water electrolysis device 2022-11-22
11384442 Method for operating a water electrolysis device 2022-07-12
11371153 Method for operating a water electrolysis device 2022-06-28
10053785 Electrolysis device and method for operating an electrolysis device Svetlana Smarsch, Nils Mantai, Norbert Bülow, Claus Würfel, Dennis Wilken +1 more 2018-08-21
9790092 Method for starting up an electrolyzer Nils Mantai, Claus Würfel, Dennis Wilken, Uwe Küter 2017-10-17