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

Hartmut Fischer — 28 Patents

Hoechst Gmbh: 10 patents #371 of 4,020Top 10%
AGA Nattermann & Cie Gmbh: 3 patents #24 of 81Top 30%
AKAndreas Stihl Ag & Co. Kg: 2 patents #293 of 807Top 40%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
General Motors: 1 patents #9,441 of 18,328Top 55%
Voorburg, NL: #2 of 262 inventorsTop 1%
Overall (All Time): #134,628 of 4,157,543Top 4%
28 Patents All Time
Hartmut Fischer has been granted 28 US patents while listed as an inventor at Hoechst Gmbh. The first was granted in 1983 and the most recent in March 2025. Hartmut Fischer ranks #134,628 of 4,157,543 US inventors in our database (top 3.2%). Patent records list Hartmut Fischer in Voorburg, NL.

Patents per Year

Patents granted per year, 1983 to 2025Bar chart with a peak of 3 patents in 1997.peak 31983: 1 patents19831986: 1 patents1990: 2 patents19901991: 1 patents1992: 2 patents19921993: 2 patents1994: 1 patents19941996: 1 patents1997: 3 patents19971998: 2 patents2003: 2 patents20032004: 3 patents2006: 1 patents20062007: 1 patents2009: 1 patents20092010: 1 patents2014: 1 patents20142019: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12258512 In-situ reactive absorption for equilibrium-shifting of non-condensable gases Laurens Daniël VAN VLIET, Anca ANASTASOPOL, Pavol Bodis, Ruud Cuypers, Hendrik Pieter Oversloot +1 more 2025-03-25
10364713 Motor vehicle drivetrain controller 2019-07-30 $14,756,000
8628851 Method for encapsulating a liquid Sabine Fischer, Jacobus Eversdijk, Renz Jeroen Van Ee 2014-01-14
7803222 Bitumen composition with improved ageing resistance Bart Bos 2010-09-28
7514490 Nanocomposite material 2009-04-07
7159314 Method for making a cylinder Klaus Bröckel, Heiko Rosskamp, Helmar Amend, Igor Klaric 2007-01-09
7071247 Reinforced filter material Lawrence Fabian Batenburg, Leonardus Johannus Maria Genoveva Dortmans 2006-07-04
6815489 Nanocomposite coatings Lawrence Fabian Batenburg, Harmen A. Meinema, Marinus Pieter Hogerheide, Cornelis Hermanus Arnoldus Rentrop 2004-11-09
6811599 Biodegradable thermoplastic material Sabine Fischer 2004-11-02
6812272 Nanocomposite material 2004-11-02
6648959 Coloring pigment Lawrence Fabian Batenburg 2003-11-18
6579927 Nanocomposite material 2003-06-17
5831107 Palladacycles and a process for their preparation Matthias Beller, Wolfgang Anton Herrmann, Christoph Brossmer 1998-11-03
5756413 Process for recovering cobalt carbonyl catalysts used in the preparation of N-acyl-.alpha.-amino acid derivates by amidocarbonylation Sandra Bogdanovic, Holger Geissler, Klaus Raab, Matthias Beller 1998-05-26 $212,000
5698755 Process for preparing aromatic olefins using palladacycle catalysis Matthias Beller, Wolfgang Anton Herrmann, Christoph Brossmer 1997-12-16 $88,000
5675034 Process for preparing 2-(p-fluorophenyl)-2 methyl-propionic acid and 3-(p-fluorophenyl)-2-methylpropionic acid derivatives Matthias Beller, Heinz Strutz 1997-10-07
5650537 Process for the preparation of N-acyl-.alpha.-amino acid derivatives Matthias Beller, Thomas Gerdau, Peter Gross 1997-07-22
5516932 Halogenated cinnamic acids and esters thereof, processes for the preparation thereof and halogenated aryldiazonium salts Matthias Beller, Laurent Weisse, Klaus Forstinger, Ralf Pfirmann, Heinz Strutz 1996-05-14
5360924 Process for preparing aromatic olefins Matthias Beller, Heinz Strutz 1994-11-01
5239024 Process for the preparation of alternating copolymers perpared from unsaturated polar compounds and olefins Claus D. Eisenbach, Ulrich Bulow, Wolfgang Lieberth 1993-08-24
5194561 Process for the preparation of an aromatic polyether in the presence of finely divided condensation auxiliaries Arnold Schneller 1993-03-16
5141955 Anti-inflammatory benzylselenobenzamides made from anilines and benzylamines Michel Evers, Jurgen Biedermann, Rolf Terlinden, Sigurd Leyck 1992-08-25
5126357 Anti-inflammatory picolyselenobenzamides and salts thereof Michel Evers, Michael Parnham, Axel Romer, Norbert Dereu 1992-06-30
4987234 Process for the preparation of cyclic ureas 1991-01-22
4890690 Exhaust gas muffler for a two-stroke engine Jurgen Grassmuck, Michael Wissmann, Albert Shane Dreher 1990-01-02