Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Basf Se › Guenter Engelhardt
GE

Guenter Engelhardt — 2 Patents

Basf Se: 2 patents #5,851 of 13,826Top 45%
Mannheim, DE: #955 of 2,026 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Guenter Engelhardt has been granted 2 US patents while listed as an inventor at Basf Se. The first was granted in 1991 and the most recent in April 1992. Guenter Engelhardt ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Guenter Engelhardt in Mannheim, DE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5109137 Purification of indigo Reinhold Kohlhaupt, Manfred Gaeng, Lothar Haas, Walter Bieg, Matthias Fankhaenel 1992-04-28
5075458 Purification of indigo Reinhold Kohlhaupt, Manfred Gaeng, Lothar Haas, Walter Bieg, Matthias Fankhaenel 1991-12-24

Frequent Collaborators

Manfred Gaeng2 shared
Matthias Fankhaenel2 shared
Lothar Haas2 shared
Reinhold Kohlhaupt2 shared
Walter Bieg2 shared

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2