Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Birgit Wittel

Overall (All Time): #2,873,864 of 4,157,543Top 70%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9879356 Method for delamination of ceramic hard material layers from steel and cemented carbide substrates Gunnar Lahtz, Christian Buchel, Jan Prochazka, Andreas Lumkemann, Peter Walchli +1 more 2018-01-30