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

Robert Leicht — 6 Patents

Basf Se: 5 patents #3,244 of 13,826Top 25%
Hannibal, MO: #4 of 38 inventorsTop 15%
Missouri: #3,623 of 23,789 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Robert Leicht has been granted 6 US patents while listed as an inventor at Basf Se. The first was granted in 1999 and the most recent in March 2016. Robert Leicht ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Robert Leicht in Hannibal, MO, US.

Patents per Year

Patents granted per year, 1999 to 2016Bar chart with a peak of 2 patents in 2014.peak 21999: 1 patents19992013: 1 patents20132014: 2 patents20142015: 1 patents20152016: 1 patents2016

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9278977 Process for manufacturing 5-chloromethyl-2,3-pyridine dicarboxylic acid anhydrides Frederik Menges, Joachim Gebhardt, Michael Rack, Michael Keil, Rodney F. Klima +3 more 2016-03-08
9096570 Process for manufacturing substituted 3-pyridylmethyl ammonium bromides Joachim Gebhardt, Frederik Menges, Michael Rack, Michael Keil, Jochen Schroeder +5 more 2015-08-04
8722893 Process for manufacturing 5-chloromethyl-2,3-pyridine dicarboxylic acid anhydrides Frederik Menges, Joachim Gebhardt, Michael Rack, Michael Keil, Rodney F. Klima +3 more 2014-05-13
8629279 Process for manufacturing 5-formyl-pyridine-2,3-dicarboxylic acid esters Michael Rack, Joachim Gebhardt, Frederik Menges, Michael Keil, Rodney F. Klima +3 more 2014-01-14
8563734 2-[1-cyanopropyl)carbamoyl]-5-chloromethyl nicotinic acids and the use thereof in manufacturing herbicidal imidazolinones Frederik Menges, Joachim Gebhardt, Michael Rack, Michael Keil, Rodney F. Klima +3 more 2013-10-22
5935488 Deicing and anti-icing concentrated composition for aircraft Arnold Wiesenfeld, Alex Meyers 1999-08-10