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

Birgit Doerk — 5 Patents

SASchott Ag: 5 patents #196 of 1,181Top 20%
Mainz, DE: #272 of 1,295 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Birgit Doerk has been granted 5 US patents while listed as an inventor at Schott Ag. The first was granted in 2017 and the most recent in August 2023. Birgit Doerk ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Birgit Doerk in Mainz, DE.

Patents per Year

Patents granted per year, 2017 to 2023Bar chart with a peak of 2 patents in 2021.peak 22017: 1 patents20172018: 1 patents20182021: 2 patents20212023: 1 patents2023

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11724960 Glass ceramic with reduced lithium content Evelin Weiss, Meike Schneider, Oliver Hochrein, Friedrich Siebers, Roland Dudek +2 more 2023-08-15 $13,478,000
11160370 High-strength colored glass ceramics as a cooktop, smooth on both sides Evelin Weiss, Thomas Zenker, Ulf Hoffmann, Silke Knoche, Martin Taplan +4 more 2021-11-02
11072557 Glass ceramic with reduced lithium content Evelin Weiss, Meike Schneider, Oliver Hochrein, Friedrich Siebers, Roland Dudek +2 more 2021-07-27
10028580 High-strength colored glass ceramics as a cooktop, smooth on both sides Evelin Weiss, Thomas Zenker, Ulf Hoffmann, Silke Knoche, Martin Taplan +4 more 2018-07-24
9701576 Coated glass or glass ceramic substrate with haptic properties Matthias Bockmeyer, Andrea Anton, Angelina Milanovska, Sven Rebsamen 2017-07-11