Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Hubert Engelhardt — 4 Patents

Basf Se: 4 patents #3,853 of 13,826Top 30%
Ludwigshafen, DE: #665 of 1,722 inventorsTop 40%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Hubert Engelhardt has been granted 4 US patents while listed as an inventor at Basf Se. The first was granted in 1980 and the most recent in May 1989. Hubert Engelhardt ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Hubert Engelhardt in Ludwigshafen, DE.

Patents per Year

Patents granted per year, 1980 to 1989Bar chart with a peak of 2 patents in 1987.peak 21980: 1 patents19801987: 2 patents19871989: 1 patents1989

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4828718 Catalytic degradation of oxidizable organic and inorganic compounds in waters Wolfgang Habermann, Wolfgang Geiger, Udo Mayer, Peter Hammes, Werner Simmler 1989-05-09
4696749 Oxidative treatment of wastewaters Wolfgang Habermann, Peter Hammes, Wolfgang Geiger, Walter Haltrich, Werner Simmler 1987-09-29
4670360 Fuel cell Wolfgang Habermann, Ernst-Heinrich Pommer, Peter Hammes, Wolfgang Geiger, Werner Simmler +1 more 1987-06-02
4212737 Processes and apparatus for removing suspended matter from suspensions by filtration through foams Hans Daucher, Manfred Dressel, Klaus Hess 1980-07-15