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

Lothar Arnold — 5 Patents

Basf Se: 5 patents #3,244 of 13,826Top 25%
Heidelberg, DE: #424 of 2,101 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Lothar Arnold has been granted 5 US patents while listed as an inventor at Basf Se. The first was granted in 1982 and the most recent in November 1991. Lothar Arnold ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Lothar Arnold in Heidelberg, DE.

Patents per Year

Patents granted per year, 1982 to 1991Bar chart with a peak of 1 patents in 1982.peak 11982: 1 patents19821984: 1 patents19841986: 1 patents19861989: 1 patents19891991: 1 patents1991

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5063194 Palladium catalyst Franz J. Broecker, Paul Grafen 1991-11-05
4820874 Increasing the yield of 2.5.6-trimethylcyclohex-2-en-1-one Peter Tavs, Harald Laas, Horst Schauer 1989-04-11
4565894 Preparation of ionones Otto Hertel, Hans Kiefer 1986-01-21
4431844 Preparation of polyunsaturated ketones Lothar Janitschke, Werner Hoffmann, Manfred Stroezel, Hans-Juergen Scheiper 1984-02-14
4310705 Preparation of higher unsaturated ketones Axel Nissen, Gerd Kaibel, Otto Woerz, Manfred Braun, Walter Rebafka 1982-01-12