Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Fischer — 58 Patents

Basf Se: 19 patents #728 of 13,826Top 6%
QSQ.E.D. Environmental Systems: 12 patents #1 of 42Top 3%
BGBasell Polyolefine Gmbh: 10 patents #46 of 517Top 9%
GMGraco Minnesota: 3 patents #150 of 381Top 40%
AKA. Rãƒâ¶Mheld Gmbh & Co. Kg: 2 patents #2 of 8Top 25%
AMAce Orthopedic Manufacturing: 2 patents #2 of 6Top 35%
BGBasell Polypropylen Gmbh: 2 patents #8 of 40Top 20%
ACAce Medical Co.: 1 patents #5 of 15Top 35%
EAE.I. Du Pont De Nemours And: 1 patents #10,847 of 12,129Top 90%
Ann Arbor, MI: #79 of 6,071 inventorsTop 2%
Michigan: #700 of 86,293 inventorsTop 1%
Overall (All Time): #41,319 of 4,157,543Top 1%
58 Patents All Time
David Fischer has been granted 58 US patents while listed as an inventor at Basf Se. The first was granted in 1982 and the most recent in February 2024. David Fischer ranks #41,319 of 4,157,543 US inventors in our database (top 0.99%). Patent records list David Fischer in Ann Arbor, MI, US.

Issued Patents All Time

Showing 1–25 of 58 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11910573 Mechanical device for cooling an electronic component Alon Rokach, Ayal Shabtay, Nimer Hazin, Jamal Mousa 2024-02-20
11560786 Liquid level sensor system John F. Schaupp, Leonard Felton Stevens-Moman, William C. Allen 2023-01-24 $39,390,000
11448238 Pneumatic landfill pump cycle counter Steven R. Wells, William C. Allen, Matthew Thomas McKeown, Mark T. Weinberger, John F. Schaupp +1 more 2022-09-20 $13,967,000
10307805 Landfill gas wellhead cap assembly Kenneth L. Niehaus 2019-06-04
10272356 Air stripper system and method Bryan D. Spicer 2019-04-30
10144043 Devices and methods for landfill gas well monitoring and control David Mioduszewski 2018-12-04
10053955 System and method for distributed control of multiple wellheads David Mioduszewski 2018-08-21
10029291 Devices and methods for landfill gas well monitoring and control David Mioduszewski 2018-07-24
9062536 Devices and methods for landfill gas well monitoring and control David Mioduszewski 2015-06-23 $7,114,000
7569651 Transition metal compound, ligand system, catalyst system and its use for the polymerization and copolymerization of olefins Jorg Schottek, Markus Oberhoff, Carsten Bingel, Horst Weiβ, Andreas Winter +6 more 2009-08-04
7347255 Device for detecting water in product-only pump flow stream Craig A. Bamm 2008-03-25
7342078 Transition metal compound, ligand system, catalyst system and the use of the latter for polymerisation and copolymerisation of olefins Jorg Schottek, Markus Oberhoff, Carsten Bingel, Horst Weiβ, Andreas Winter +6 more 2008-03-11 $29,217,000
7128780 Process for producing building materials from raw paint sludge Robert R. Matheson, Dennis Dixon, John R. Moore 2006-10-31 $13,364,000
7101940 Chemical compound, method for the production thereof and its use in catalyst systems for producing polyolefins Jorg Schottek, Heike Gregorius, Iris Kuellmer 2006-09-05 $14,501,000
6812185 Preparation of a metal-containing supported catalyst or a supported catalyst component by impregnation of a support material Wolfgang Bidell, Ulrich Moll, Joachim Rosch, Franz Langhauser, Roland Hingmann +3 more 2004-11-02
6783310 Self-centering element Rudolf Kohlert 2004-08-31
6733717 Injection stretch-blow molded containers made of olefin polymers Bernd Lothar Marczinke, Peter J. Jones, Meinolf Kersting, Franz Langhauser, Ulrich Moll +1 more 2004-05-11
6589905 Method for producing a supported catalyst Wolfgang Bidell, Ulrich Moll, Joachim Rosch, Franz Langhauser, Roland Hingmann +3 more 2003-07-08
6583253 Propene terpolymers with a low extractable portion Peter J. Jones, Franz Langhauser, Wolfgang Bidell, Roland Hingmann, Gunther Schweier +3 more 2003-06-24
6562478 Sealable multilayer film made of a grafted terpolymer Bernd Lothar Marczinke, Werner Schone, Franz Langhauser, Wolfgang Bidell, Roland Hingmann +4 more 2003-05-13
6508310 Bladder-type sampling pump controller David Mioduszewski, David B. Kaminski 2003-01-21
6456201 Method and apparatus for measuring groundwater levels David Mioduszewski, David B. Kaminski 2002-09-24
6444764 Supported catalyst system for polymerizing alk-1-enes Marc Oliver Kristen 2002-09-03
6433110 Process for producing alkene polymers by gas phase polymerisation John Lynch, Hans-Helmut Görtz, Gunther Schweier 2002-08-13
6415659 Method for analyzing purge water David Mioduszewski, David B. Kaminski 2002-07-09