Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Attilio Siani — 21 Patents

Basf Se: 18 patents #788 of 13,826Top 6%
BCBasf Mobile Emissions Catalysts: 2 patents #16 of 81Top 20%
Toyota: 2 patents #11,016 of 26,838Top 45%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Attilio Siani has been granted 21 US patents while listed as an inventor at Basf Se. The first was granted in 2009 and the most recent in July 2025. Attilio Siani ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Attilio Siani in Shanghai, SC, CN.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12364974 Particulate filter Jun Cong Jiang, Yun Fei Qi, Weiyong Tang, Shau-Lin F. Chen 2025-07-22
12270325 Catalyzed particulate filter Jun Cong Jiang, Yipeng Sun, Aleksei VJUNOV, Pascaline Tran 2025-04-08
12264608 Catalyzed gasoline particulate filter Yun Fei Qi, Jun Cong Jiang, Weiyong Tang 2025-04-01
11992806 Four-way conversion catalyst having improved filter properties Florian Waltz, Thomas Schmitz, Stephan Siemund, David SCHLERETH, Hao Li 2024-05-28
11946405 Four-way conversion catalyst for the treatment of an exhaust gas stream David SCHLERETH, Hao Li, Stephen Siemund, Thomas Schmitz, Florian Waltz 2024-04-02
11865497 Monometallic rhodium-containing four-way conversion catalysts for gasoline engine emissions treatment systems Janosch Cravillon, Stephan Siemund, Thomas Schmitz, Markus Kinne 2024-01-09
11376569 Four-way conversion catalyst having improved filter properties Thomas Schmitz, Stephan Siemund, Janosch Cravillon 2022-07-05
11260372 Catalyst system for lean gasoline direct injection engines Wen-Mei Xue, John K. Hochmuth 2022-03-01
11185819 Monometallic rhodium-containing four-way conversion catalysts for gasoline engine emissions treatment systems Janosch Cravillon, Stephan Siemund, Thomas Schmitz, Markus Kinne 2021-11-30
11181023 Four way conversion catalysts for gasoline engine emissions treatment systems Janosch Cravillon, Stephan Siemund, Thomas Schmitz, Oliver Seel, Knut Wassermann 2021-11-23
9981258 Integrated LNT-TWC catalyst Wen-Mei Xue, John K. Hochmuth, Markus Kinne, Stefan Kielbassa 2018-05-29
9744529 Integrated LNT-TWC catalyst Wen-Mei Xue, John K. Hochmuth, Markus Kinne, Stefan Kielbassa 2017-08-29
9687818 Preparation of diesel oxidation catalyst via deposition of colloidal nanoparticles Torsten W. Müller-Stach, Torsten Neubauer, Xinyi Wei 2017-06-27
9266092 Automotive catalyst composites having a two-metal layer Mirko Arnold, Stefan Kotrel, Stephan Siemund, Thomas Schmitz, Burkhard Rabe +4 more 2016-02-23
8858904 Catalyzed soot filter Alfred Punke, Gerd Grubert, Yuejin Li, Ruediger Wolff, Stanley Roth +3 more 2014-10-14
8815189 Gasoline engine emissions treatment systems having particulate filters Mirko Arnold, Stephan Siemund, Knut Wassermann 2014-08-26
8617496 Three way conversion catalyst with alumina-free rhodium layer Junmei Wei, Mirko Arnold, Stefan Kotrel, Stephan Siemund, Knut Wassermann 2013-12-31
8449852 Diesel oxidation catalysts, systems and methods of treatment Shiang Sung, Stanley A. Roth, Torsten Wolfgang Mueller-Stach 2013-05-28
8252258 Diesel oxidation catalyst with layer structure for improved hydrocarbon conversion Torsten W. Müller-Stach, Torsten Neubauer, Alfred Punke, Gerd Grubert, Corinna Freitag 2012-08-28
8211392 Diesel oxidation catalyst composite with layer structure for carbon monoxide and hydrocarbon conversion Gerd Grubert, Torsten Neubauer, Alfred Punke, Torsten W. Müller-Stach, Stanley A. Roth +5 more 2012-07-03
7582586 Supported catalysts with controlled metal cluster size Paul T. Fanson, Hirohito Hirata, Michael D. Amiridis, Christopher T. Williams, David Samuel Deutsch +1 more 2009-09-01 $1,985,000