Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Erwin Manschitz — 29 Patents

HAHilti Aktiengesellschaft: 28 patents #19 of 1,466Top 2%
HAHilti Aktiengeschaft: 1 patents #2 of 15Top 15%
Germering, DE: #6 of 359 inventorsTop 2%
Overall (All Time): #129,229 of 4,157,543Top 4%
29 Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
4878679 Variably operable hand-held device Uto Plank, Anton Neumaier 1989-11-07
4775159 Chuck for a drilling tool 1988-10-04
4775160 Clamping chuck for drill bits and chisel bits 1988-10-04
4655464 Drill chuck for a hand-held device Karl Gartner, Josef Hunger, Manfred Spieth, Hans-Karl Moser, Jurgen Mundle 1987-04-07