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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
SD

Stephane David — 8 Patents

EUEcolab Usa: 5 patents #426 of 1,826Top 25%
NBNxp B.V.: 2 patents #1,098 of 3,591Top 35%
SGSachleben Chemie Gmbh: 1 patents #26 of 55Top 50%
Caen, FR: #16 of 329 inventorsTop 5%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Stephane David has been granted 8 US patents. The first was granted in 2010 and the most recent in October 2017. Stephane David ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Stephane David in Caen, FR.

Patents per Year

Patents granted per year, 2010 to 2017Bar chart with a peak of 3 patents in 2014.peak 32010: 2 patents20102013: 1 patents20132014: 3 patents20142016: 1 patents20162017: 1 patents2017

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9800153 Negative voltage generator 2017-10-24 $4,908,000
9507358 Adaptive bias circuit Fabian Rivière 2016-11-29 $37,177,000
8888156 Handling tool, for secure handling of connectors of electrolysis cells intended for aluminium production 2014-11-18
8756837 Fastening device for a collector of solid remains swiveling at the end of a mobile arm in particular fastening device for articulated buckets of a crust shovel Arnaud Wattel 2014-06-24
8647481 Pot tending machine for working on electrolysis cells for the production of aluminum by igneous electrolysis Arnaud Wattel 2014-02-11
8383712 Plastic comprising zinc sulphide Petra Fritzen, Ludger Heiming, Thomas Rentschler 2013-02-26
7857954 Compact pot tending module for use in plants for the production of aluminum by electrolysis Alain Van Acker 2010-12-28
7779580 Guiding device for masts which telescopes within each other Alain Van Acker 2010-08-24