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

Wolfgang Siegel — 122 Patents

Basf Se: 112 patents #33 of 13,826Top 1%
SASymrise Ag: 4 patents #59 of 439Top 15%
WGWaeschle Maschinenfabrik Gmbh: 3 patents #7 of 33Top 25%
TATakata-Petri Ag: 2 patents #66 of 249Top 30%
RHRuprecht - Karls - Universität Heidelberg: 1 patents #82 of 222Top 40%
Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
JGJoyson Safety Systems Germany Gmbh: 1 patents #19 of 85Top 25%
TGTakata-Petri (Ulm) Gmbh: 1 patents #16 of 52Top 35%
Ludwigshafen am Rhein, DE: #3 of 261 inventorsTop 2%
Overall (All Time): #9,627 of 4,157,543Top 1%
122 Patents All Time
Wolfgang Siegel has been granted 122 US patents while listed as an inventor at Basf Se. The first was granted in 1983 and the most recent in December 2025. Wolfgang Siegel ranks #9,627 of 4,157,543 US inventors in our database (top 0.23%). Patent records list Wolfgang Siegel in Ludwigshafen am Rhein, DE.

Patents per Year

Patents granted per year, 1995 to 2025Bar chart with a peak of 10 patents in 2000.peak 101995: 4 patents19951996: 2 patents1998: 3 patents1999: 2 patents19992000: 10 patents2001: 7 patents2002: 6 patents20022003: 2 patents2004: 3 patents2005: 2 patents20052006: 3 patents2007: 1 patents2008: 8 patents20082009: 5 patents2010: 5 patents2011: 2 patents20112012: 1 patents2013: 6 patents2014: 4 patents20142015: 5 patents2016: 2 patents2017: 3 patents20172018: 5 patents2019: 3 patents2020: 3 patents20202021: 9 patents2022: 2 patents2023: 1 patents20232024: 3 patents2025: 3 patents2025

Issued Patents All Time

Showing 1–25 of 122 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12492355 2,4-diethylocta-2,6-dienal and its use as aroma chemical Ralf Pelzer, Florian Garlichs, Silke Weyland, Jens Wittenberg 2025-12-09
12319647 2-(2,4,5-trimethylcyclohex-2-en-1-yl)acetaldehyde and derivatives and their use as aroma chemicals Melanie WEINGARTEN, Silke Weyland, Ralf Pelzer 2025-06-03
12297169 1-alkoxyethyl-4-isobutyl-benzene as aroma ingredients Ralf Pelzer, Miriam BRU ROIG, Manuel Danz, Silke Weyland, Florian Garlichs +2 more 2025-05-13
12172956 Method for the isomerization of a 3-(Z)-unsaturated carboxylic acid to the 3-(E)-isomer Mathias Schelwies, Rocco Paciello, Andreas Keller 2024-12-24
12168649 Synthesis of chromanol and 2-methyl-1,4-naphthoquinone derivatives Melanie WEINGARTEN, Michael Puhl 2024-12-17
12103918 Synthesis of chromanol derivatives Melanie WEINGARTEN, Michael Puhl 2024-10-01
11673874 Synthesis of chromanol derivatives Melanie WEINGARTEN, Michael Puhl 2023-06-13
11434220 Use of physiological cooling active ingredients, and compositions comprising such active ingredients Benoit Join, Jekaterina ONGOUTA, Michael Backes, Rahim Brodhage, Arnold Machinek +8 more 2022-09-06
11286224 Synthesis of aliphatic alcohols as aroma chemicals Volker Hickmann, Shrirang Hindalekar, Nitin GUPTE, Sadanand ARDEKAR, Vijay Narayanan Swaminathan +1 more 2022-03-29
11192873 Process for the preparation of unsaturated carboxylic acids by carbonylation of allyl alcohols and their acylation products Mathias Schelwies, Rocco Paciello, Ralf Pelzer 2021-12-07
11136611 Method for the preparation of (3E,7E)-homofarnesic acid or (3E,7E)-homofarnesic acid ester Melanie WEINGARTEN, Michael Breuer, Mathias Schelwies 2021-10-05
11098075 Method for preparing 2′-O-fucosyllactose Michael Puhl, Klaus Ditrich, Andreas Keller, Pepa Dimitrova, Melanie WEINGARTEN 2021-08-24
11078146 Method for preparing ethers of cycloaliphatic or araliphatic diols Melanie WEINGARTEN, Ralf Pelzer, Florian Garlichs 2021-08-03
11044931 Low molecular weight modulators of the cold menthol receptor TRPM8 and use thereof Thomas Subkowski, Claus Bollschweiler, Jens Wittenberg, Ralf Pelzer 2021-06-29
10954538 Enzymatic cyclization of homofarnesylic acid Michael Breuer, Stefan RUEDENAUER, Ralf Pelzer 2021-03-23
10919827 Process for recovering 3-methylbut-3-en-1-ol Albert Werner, Miriam BRU ROIG, Andrei-Nicolae Parvulescu, Roland Minges, Andreas Keller +2 more 2021-02-16
10906498 Gas generator support for attaching a gas generator of a vehicle occupant restraint system to a vehicle structure Baki Özyürek, Alexander Aulbach, Thomas Reichenbecher 2021-02-02
10889547 Method for the purification of ethoxyquin Sumana Roy, Andreas Keller, Michael Joedecke, Martin Haubner 2021-01-12
10836718 Process for preparing astacene Bernd Schaefer 2020-11-17
10766840 Process for preparing an unsaturated alcohol Andrei-Nicolae Parvulescu, Miriam BRU ROIG, Albert Werner, Bernhard Brunner, Stephan Maurer +2 more 2020-09-08
10584134 Use of physiological cooling active ingredients, and agents containing such active ingredients Thomas Subkowski, Michael Backes, Heiko Oertling, Arnold Machinek, Hubert Loges +4 more 2020-03-10
10428361 Biocatalytic production of l-fucose Vaidotas Navickas, Michael Breuer, Michael Puhl, Melanie WEINGARTEN, Kai-Uwe Baldenius 2019-10-01
10398159 Low molecular weight modulators of the cold menthol receptor TRPM8 and use thereof Thomas Subkowski, Claus Bollschweiler, Jens Wittenberg, Ralf Pelzer 2019-09-03
10315975 Method for the hydroformylation of 2-substituted butadienes and the production of secondary products thereof, especially ambrox Julia Strautmann, Stefan Rüdenauer, Christian REIN, Melanie WEINGARTEN, Rocco Paciello +3 more 2019-06-11
10150777 Production of pyripyropenes from dry biomass Burkhard Ernst, Manfred Ehresmann, Christopher Koradin, Andreas Pletsch, Melanie Bonnekessel +7 more 2018-12-11