Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
JK

Johann Klassen — 9 Patents

Basf Se: 9 patents #1,877 of 13,826Top 15%
EGEvonik Operations Gmbh: 1 patents #547 of 1,233Top 45%
Schwentinental, DE: #2 of 33 inventorsTop 7%
Overall (All Time): #547,595 of 4,157,543Top 15%
9 Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12146022 Polyol components and use thereof for the production of rigid polyurethane foams Sirus Zarbakhsh, Mark Elbing 2024-11-19
12065553 Polyol component and use thereof for the production of rigid polyurethane foams Hendrik Wagner 2024-08-20
11286329 Polyol component and use thereof for the production of rigid polyurethane foams Sirus Zarbakhsh, Hendrik Wagner 2022-03-29
10988593 Composition that is suitable for producing polyurethane foams and that contains at least one nucleating agent Markus Schuette, Mark Elbing, Frank Fechner, Werner Wiegmann, Michael Klostermann +4 more 2021-04-27
10946562 Sandwich structure including a VIP and method for producing the same Nils Mohmeyer, Marc Fricke, Joerg Krogmann, Mark Elbing, Juergen Boos 2021-03-16
10723831 Polyetheresters and their use in rigid polyurethane foams Sebastian Koch, Michele GATTI, Mark Elbing, Christian Koenig 2020-07-28
9657133 Rigid polyurethane foams Holger Seifert, Louis Du Rieu, Werner Wiegmann, Guenter Matzke 2017-05-23
8927614 Process for producing rigid polyurethane foams Marc Fricke, Markus Schütte, Sirus Zarbakhsh 2015-01-06
7893124 Method for producing rigid polyurethane foams Andreas Emge, Holger Seifert, Stefan Dinsch, Christian Stelling 2011-02-22