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

Gerhard Hamprecht — 198 Patents

Basf Se: 196 patents #8 of 13,826Top 1%
Weinheim, DE: #1 of 558 inventorsTop 1%
Overall (All Time): #3,471 of 4,157,543Top 1%
198 Patents All Time
Gerhard Hamprecht has been granted 198 US patents while listed as an inventor at Basf Se. The first was granted in 1980 and the most recent in September 2013. Gerhard Hamprecht ranks #3,471 of 4,157,543 US inventors in our database (top 0.08%). Patent records list Gerhard Hamprecht in Weinheim, DE.

Patents per Year

Patents granted per year, 1981 to 2013Bar chart with a peak of 16 patents in 1993.peak 161981: 3 patents19811982: 14 patents1983: 4 patents1984: 7 patents19841985: 10 patents1986: 4 patents1987: 3 patents19871988: 4 patents1989: 3 patents1990: 1 patents19901991: 8 patents1992: 9 patents1993: 16 patents19931994: 8 patents1995: 5 patents1996: 3 patents19961997: 7 patents1998: 10 patents1999: 8 patents19992000: 14 patents2001: 16 patents2002: 15 patents20022003: 6 patents2004: 2 patents2005: 2 patents20052007: 1 patents2008: 1 patents2010: 5 patents20102012: 1 patents2013: 3 patents2013

Issued Patents All Time

Showing 1–25 of 198 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8541611 Bifunctional phenyl iso(thio)cyanates, processes and intermediates products for their preparation Michael Puhl, Bernd Wolf, Norbert Gotz, Michael Keil, Robert Reinhard +2 more 2013-09-24
8362026 Crystalline form of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)-pyrimidinyl]-4-fluoro-N-[[methyl(1-methyl-ethyl)amino]sulfonyl]benzamide Thomas Schmidt, Joachim Gebhardt, Sandra Löhr, Michael Keil, Jan Hendrik Wevers +10 more 2013-01-29
8357695 Hydrates of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)-pyrimidinyl]-4-fluoro-N-[[methyl(1-methylethyl)amino]sulfonyl]benzamide Thomas Schmidt, Joachim Gebhardt, Sandra Löhr, Michael Keil, Jan Hendrik Wevers +10 more 2013-01-22
8232421 Bifunctional phenyl ISO (THIO) cyanates, processes and intermediates for their preparation Michael Puhl, Bernd Wolf, Norbert Gotz, Michael Keil, Robert Reinhard +2 more 2012-07-31
7820846 Bifunctional phenyliso(thio)cyanates, processes and intermediates products for their preparation Michael Puhl, Bernd Wolf, Norbert Gotz, Michael Keil, Robert Reinhard +2 more 2010-10-26
7767624 3-Heterocyclyl substituted benzoic acid derivatives Michael Puhl, Robert Reinhard, Ingo Sagasser, Werner Seitz, Cyrill Zagar +2 more 2010-08-03
7741485 Benzenesulphonamide derivatives as herbicides or desiccant/defoliant compounds Michael Puhl, Robert Reinhard, Werner Seitz, Cyrill Zagar, Matthias Witschel +1 more 2010-06-22
7737275 Method for producing 3-phenyl(thio)uracils and 3-phenyldithiouracils Michael Puhl, Bernd Wolf, Michael Keil, Robert Reinhard, Werner Seitz +1 more 2010-06-15
7687435 Benzoyl-substituted phenylalanineamides Matthias Witschel, Michael Puhl, Liliana Parra Rapado, Ulf Misslitz, Cyrill Zagar +4 more 2010-03-30
7355053 1-phenylpyrrolidine-2-one-3-carboxamides Robert Reinhard, Michael Puhl, Werner Seitz, Liliana Parra Rapado, Annegret Scannell-Lansky +6 more 2008-04-08
7232926 Method for the production of sulphamic acid halogenides Michael Puhl, Robert Reinhard, Ingo Sagasser, Thomas Schmidt, Norbert Gotz +1 more 2007-06-19 $1,666,000
6897322 Method of producing 1-alkyl-3-aryl-5-difluoromethoxy-1H-pyrazoles Thorsten Volk, Michael Puhl, Cyrill Zagar, Rene Lochtman, Norbert Gotz 2005-05-24 $407,000
6888003 Method for producing 7-(pyrazole-3-yl) benzoxazoles Cyrill Zagar, Robert Reinhard, Michael Puhl, Thorsten Volk, Norbert Gotz +2 more 2005-05-03 $266,000
6794335 Synergistically active herbicidal mixtures Max Landes, Bernd Sievernich, Elmar Kibler, Wessel Nuyken, Helmut Walter +5 more 2004-09-21 $213,000
6683213 Substituted aniline compounds Olaf Menke, Michael Puhl, Robert Reinhard, Ingo Sagasser, Cyrill Zagar 2004-01-27 $346,000
6656884 3-(4-cyanophenyl) uracils Ralf Klintz, Peter Schafer, Elisabeth Heistracher, Christoph-Sweder von dem Bussche-Hunnefeld, Norbert Gotz +4 more 2003-12-02 $354,000
6639070 N-substituted perhydrodiazine Michael Puhl, Olaf Menke, Robert Reinhard, Ingo Sagasser, Cyrill Zagar 2003-10-28 $496,000
6624119 3-[Benz(ox/thi)azol-7-yl]-1h-pyrimidine-2,4-diones Robert Reinhard, Peter Schafer, Cyrill Zagar, Martina Otten, Karl-Otto Westphalen +2 more 2003-09-23 $314,000
6602825 1-Aryl-1,3,5-triazine-4-thione-2,6-diones, production thereof and use thereof as herbicides Olaf Menke, Ingo Sagasser, Robert Reinhard, Cyrill Zagar, Karl-Otto Westphalen +2 more 2003-08-05 $596,000
6528455 Phenoxy-and thiophenoxy acrylic acid compounds as herbicides Michael Puhl, Robert Reinhard, Ingo Sagasser, Cyrill Zagar, Karl-Otto Westphalen +2 more 2003-03-04 $488,000
6525000 Method for producing anellated triazoles and new anellated triazoles and their use Olaf Menke, Robert Reinhard, Peter Schafer, Cyrill Zagar, Martina Otten +2 more 2003-02-25 $293,000
6482774 Substituted (4-brompyrazole-3-yl) benzazoles Cyrill Zagar, Markus Menges, Olaf Menke, Robert Reinhard, Peter Schafer +3 more 2002-11-19 $434,000
6476061 Fungicides containing pyrrolidones as their active agents Joachim Rheinheimer, Karl Eicken, Ingo Rose, Thomas Grote, Eberhard Ammermann +2 more 2002-11-05 $310,000
6472349 Pyridine-2,3-dicarboxylic acid diamides Markus Menges, Olaf Menke, Robert Reinhard, Ingo Sagasser, Cyrill Zagar +3 more 2002-10-29 $453,000
6451734 Substituted 3-benzylpyrazoles and their use as herbicides Cyrill Zagar, Markus Menges, Olaf Menke, Peter Schafer, Karl-Otto Westphalen +4 more 2002-09-17 $433,000