Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Helmut Schwarz — 3 Patents

Basf Se: 1 patents #8,065 of 13,826Top 60%
TKTroponwerke Gmbh & Co. Kg: 1 patents #20 of 40Top 50%
Refrath, DE: #4 of 11 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Helmut Schwarz has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 1980 and the most recent in October 1983. Helmut Schwarz ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Helmut Schwarz in Refrath, DE.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4410536 7,8,9,10-Tetrahydrothieno[3,2-e]pyrido[4,3-b]indole compounds and their anti-depressant use Karl-Heinz Boltze, Peter-Rudolf Seidel, Haireddin Jacobi, Gunter Schollnhammer, Hans-Dieter Dell 1983-10-18
4340744 Preparation of imidazoles Toni Dockner, Uwe Kempe, Herbert Krug, Werner Praetorius, Peter Magnussen +2 more 1982-07-20
4241207 Organonitrogen derivatives of 2-benzopyranone Karl-Heinz Boltze, Peter-Rudolf Seidel, Haireddin Jacobi 1980-12-23