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USPTO Patent Rankings Data through Dec 31, 2025
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Markus Schäfer — 5 Patents in 2021

IBM: 4 patents #1,501 of 11,638Top 15%
WGWirtgen Gmbh: 1 patents #16 of 43Top 40%
Annaberg-Buchholz, DE: #1 of 13 inventorsTop 8%
Overall (2021): #29,986 of 548,734Top 6%
5 Patents 2021

Issued Patents 2021

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11111640 Self-propelled construction machine Burkhard Frank 2021-09-07
11037588 Increasing tape drive head performance with sectional cleaning using a cartridge memory Stefan Wiedemann, Erik Rueger, Robert Beiderbeck, Ole Asmussen 2021-06-15 $4,393,000
10957356 Data storage tape cartridge Erik Rueger, Stefan Wiedemann, Robert Beiderbeck, Ole Asmussen 2021-03-23 $2,115,000
10896696 Tape drive system with tape surface inspection unit Ole Asmussen, Robert Beiderbeck, Erik Rueger 2021-01-19 $4,840,000
10885938 Tape gripper cartridge cache Stefan Wiedemann, Erik Rueger, Robert Beiderbeck, Ole Asmussen 2021-01-05 $2,293,000