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

Lothar Haas — 3 Patents

Basf Se: 3 patents #4,656 of 13,826Top 35%
Schifferstadt, DE: #236 of 580 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Lothar Haas has been granted 3 US patents while listed as an inventor at Basf Se. The first was granted in 1991 and the most recent in January 1995. Lothar Haas ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Lothar Haas in Schifferstadt, DE.

Patents per Year

Patents granted per year, 1991 to 1995Bar chart with a peak of 1 patents in 1991.peak 11991: 1 patents19911992: 1 patents19921995: 1 patents1995

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5380871 Preparation of halogenated indigo Reinhold Kohlhaupt, Udo Bergmann 1995-01-10
5109137 Purification of indigo Reinhold Kohlhaupt, Manfred Gaeng, Guenter Engelhardt, Walter Bieg, Matthias Fankhaenel 1992-04-28
5075458 Purification of indigo Reinhold Kohlhaupt, Manfred Gaeng, Guenter Engelhardt, Walter Bieg, Matthias Fankhaenel 1991-12-24