Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ewald Sieverding — 21 Patents

Basf Se: 8 patents #2,129 of 13,826Top 20%
ACAmerican Cyanamid: 7 patents #203 of 1,554Top 15%
EGEvonik Degussa Gmbh: 3 patents #409 of 1,853Top 25%
EGEvonik Goldschmidt Gmbh: 1 patents #64 of 137Top 50%
EGEvonik Operations Gmbh: 1 patents #547 of 1,233Top 45%
Annweiler am Trifels, DE: #2 of 43 inventorsTop 5%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Ewald Sieverding has been granted 21 US patents while listed as an inventor at Basf Se. The first was granted in 1997 and the most recent in February 2022. Ewald Sieverding ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Ewald Sieverding in Annweiler am Trifels, DE.

Patents per Year

Patents granted per year, 1997 to 2022Bar chart with a peak of 3 patents in 2003.peak 31997: 1 patents19971998: 1 patents1999: 1 patents19992000: 2 patents2001: 2 patents20012002: 2 patents2003: 3 patents20032004: 3 patents2007: 1 patents20072012: 1 patents2016: 1 patents20162019: 2 patents2022: 1 patents2022

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11234441 Use of polyether modified short-chain siloxanes in agriculture in order to increase harvest yield René Hänsel, Daniela Kruse, Carsten Riedl, Jordi Samso Ludwig 2022-02-01
10390530 Use of hydrophobic, self-emulsifying polyglycerol esters as adjuvants and anti-spray-drift agents Michael Klostermann, Joachim Venzmer, Rene Haensel 2019-08-27
10299471 Biodegradable super-spreading, organomodified trisiloxane René Hänsel, Michael Ferenz, Gerd Windbiel, Andrea Jacobi 2019-05-28
9351485 Use of sophorolipids and derivatives thereof in combination with pesticides as adjuvant/additive for plant protection and the industrial non-crop field Sabine Giessler-Blank, Martin Schilling, Oliver Thum 2016-05-31
8163673 Non-foaming organic surfactants as additives for tank mixture preparations in crop protection Sabine Giessler-Blank, Ingo Fleute-Schlachter 2012-04-24
7176209 Fungicidal formulation Michael Aven 2007-02-13 $667,000
6734202 Fungicidal mixtures Henry Van Tuyl Cotter, Gunther Reichert, Petrus Martinus Franciscus Emanuel Jegerings 2004-05-11 $226,000
6699874 Fungicidal mixtures Henry Van Tuyl Cotter, Leslie May, Gunter Reichert 2004-03-02 $388,000
6696497 Fungicidal mixtures Gunter Reichert 2004-02-24 $253,000
6656944 Fungicidal mixtures Leslie May 2003-12-02 $354,000
6521628 Fungicidal mixtures Henry Van Tuyl Cotter, Gunter Reichert, Petrus Martinus Franciscus Emanuel Jegerings 2003-02-18 $440,000
6518275 Fungicidal mixtures Henry Van Tuyl Cotter, Leslie May, Gunter Reichert 2003-02-11 $353,000
6498194 Fungicidal mixtures Henry Van Tuyl Cotter, Gunther Reichert, Petrus Martinus Franciscus Emanuel Jegerings 2002-12-24 $514,000
6346535 Fungicidal mixtures Henry Van Tuyl Cotter, Gunther Reichert, Petrus Martinus Franciscus Emanuel Jegerings 2002-02-12
6277856 Fungicidal mixtures Henry Van Tuyl Cotter, Leslie May, Gunter Reichert 2001-08-21
6268371 Fungicidal mixtures Leslie May 2001-07-31
6100261 Fungicidal mixtures 2000-08-08
6096769 Fungicidal co-formulation Michael Perlitz, Friedrich Schmidt, Annerose Rehnig, Christopher William Horsler 2000-08-01
5866722 Fungicidal methods compounds and compositions containing benzophenones Jurgen Curtze, Christine RUDOLPH, Ludwig Schroder, Guido Albert, Annerose Rehnig 1999-02-02
5773663 Fungicidal methods, compounds and compositions containing benzophenones Jurgen Curtze, Christine RUDOLPH, Ludwig Schroder, Guido Albert, Annerose Rehnig 1998-06-30
5679866 Fungicidal methods, compounds and compositions containing benzophenones Jurgen Curtze, Christine RUDOLPH, Ludwig Schroder, Guido Albert, Annerose Rehnig 1997-10-21