Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Andreas Wölfert — 16 Patents

Basf Se: 15 patents #1,034 of 13,826Top 8%
BGBasell Polyolefine Gmbh: 1 patents #272 of 517Top 55%
Bad Rappenau, DE: #5 of 52 inventorsTop 10%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Andreas Wölfert has been granted 16 US patents while listed as an inventor at Basf Se. The first was granted in 2004 and the most recent in April 2021. Andreas Wölfert ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Andreas Wölfert in Bad Rappenau, DE.

Patents per Year

Patents granted per year, 2004 to 2021Bar chart with a peak of 3 patents in 2004.peak 32004: 3 patents20042005: 3 patents20052006: 1 patents20062010: 1 patents20102011: 3 patents20112014: 1 patents20142015: 1 patents20152017: 1 patents20172020: 1 patents20202021: 1 patents2021

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10974964 Modular catalyst monoliths Gerhard Olbert, Jochen Gauer, Holger Friedrich, Andreas Spiegel, Wolfgang GMEINER +1 more 2021-04-13
10576449 Reactor for carrying out heterogeneously catalysed gas phase reactions, and use of the reactor Gerhard Olbert, Holger Friedrich 2020-03-03
9725320 Basket-like device having wall insulation Gerhard Olbert, Holger Friedrich, Robert Kühn, Tobias Lenke, Wolfgang GMEINER 2017-08-08
9061971 Method for purifying residues containing isocyanates Carsten Knösche, Matthias Klotzer, Hermann Ascherl, Eckhard Stroefer, Heinrich-Josef Blankertz +3 more 2015-06-23
8829232 Process for preparing aromatic isocyanates Ulrich Penzel, Torsten Mattke, Johannes Jacobs, Tsung-Chieh Cheng, Kerstin Heinen +6 more 2014-09-09
8021624 Reactor, and method for the production of hydrogen sulfide Herald Jachow, Heinz Drieβ 2011-09-20
7887777 Method and device for continuous production of hydrogen sulphide Herald Jachow, Heinz Drieβ 2011-02-15
7871594 Reactor and method for production of hydrogen sulphide Herald Jachow, Heinz Drieβ 2011-01-18
7833509 Method and device for the continuous production of hydrogen sulfide Herald Jachow, Heinz Drieβ 2010-11-16
6986833 Process for fractionating water-containing crude amine mixtures from amine synthesis Heinz Rutter, Stefan Rittinger, Mark Wehinger, Aurelie Alemany, Willi Schmidt 2006-01-17 $1,230,000
6913674 Process for fractionating water-containing crude amine mixtures from amine synthesis Heinz Rutter, Stefan Rittinger, Mark Wehinger, Aurelie Alemany, Willi Schmidt 2005-07-05 $446,000
6896401 Method and device for reducing byproducts in the mixture of educt streams Ulrich Penzel 2005-05-24 $407,000
6867324 Method and device for the continuous production of organic mono or polyisocyanates Ulrich Penzel 2005-03-15 $297,000
6833469 Method for producing isocynates Christian Müller, Eckhard Stroefer 2004-12-21 $836,000
6821396 Process for fractionating water-containing crude amine mixtures from amine synthesis Heinz Rutter, Stefan Rittinger, Mark Wehinger, Aurelie Alemany, Willi Schmidt 2004-11-23 $394,000
6677408 Method for producing ethylene homo-and copolymers by intensively mixing a reactive reaction component with a mobile flow medium Frank-Olaf Mähling, Andreas Daiss, Georg Groos 2004-01-13