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USPTO Patent Rankings Data through Dec 31, 2025
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Thomas Walter — 33 Patents

ETEthyl: 12 patents #37 of 494Top 8%
RSRoche Molecular Systems: 6 patents #53 of 746Top 8%
RGRoche Diagnostics Gmbh: 5 patents #73 of 851Top 9%
BOBOE: 4 patents #4,071 of 12,373Top 35%
RORoche Diagnostics Operations: 2 patents #593 of 1,692Top 40%
ECEdwin Cooper: 1 patents #5 of 12Top 45%
Overall (All Time): #105,480 of 4,157,543Top 3%
33 Patents All Time
Thomas Walter has been granted 33 US patents while listed as an inventor at Ethyl. The first was granted in 1980 and the most recent in April 2021. Thomas Walter ranks #105,480 of 4,157,543 US inventors in our database (top 2.5%). Patent records list Thomas Walter in Radevormwald, LA, DE.

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10988758 Magnetic nanoparticles for nucleic acid purification Jens Christian Bolle, Peter Wenzig 2021-04-27
10100301 Synthesis of magnetic nanoparticles for nucleic acid purification Jens Christian Bolle, Peter Wenzig 2018-10-16
9912153 Method for controlling the ratio between supplied and drawn electric energy in an electric energy supply network 2018-03-06
9510607 Isomaltulose in fondants Stephan Marhöfer, Tillmann Dörr 2016-12-06
8927261 Method and device for purifying nucleic acids Dirk Block, Ruediger Haenel, Joerg Kleiber, Manuela Poignee-Heger, Ralf Zielenski 2015-01-06
8158349 Method and device for purifying nucleic acids Dirk Block, Ruediger Haenel, Joerg Kleiber, Manuela Poignee-Heger, Ralf Zielenski 2012-04-17
7897378 Method and device for purifying nucleic acids Dirk Block, Ruediger Haenel, Joerg Kleiber, Manuela Poignee-Heger, Ralf Zielenski 2011-03-01
7537935 System for providing biological materials Gerhard Bienhaus, Michael Fritz, Jurgen Schwab 2009-05-26
7491495 Adsorption of nucleic acids to a solid phase Ralf Zielenski, Klaus Geissler 2009-02-17
7371830 Method for separating biological material from a fluid using magnetic particles Jorg Kleiber, Herbert Harttig, Christop Lesniak, Martin Mennig, Michael Riedling +1 more 2008-05-13
7329491 Methods for isolating nucleic acids Michael Kirchgesser, Frank Bergmann, Kurt Weindel, Ralf Zielenski, Emad Sarofim 2008-02-12
6870047 Magnetic pigment Jorg Kleiber, Herbert Harttig, Christoph Lesniak, Martin Mennig, Michael Riedling +1 more 2005-03-22
6720417 Method and device for refining nucleic acids 2004-04-13
6669910 System for providing biological materials Gerhard Bienhaus, Michael Fritz, Jurgen Schwab 2003-12-30
6255477 Particles having a magnetic core and outer glass layer for separating biological material Jorg Kleiber, Herbert Harttig, Christoph Lesniak, Martin Mennig, Michael Riedling +1 more 2001-07-03
6090936 Device for isolating nucleic acids Michael Fritz, Herbert Harttig, Hans Lange, Rolf Lerch 2000-07-18
5910246 Device for isolating nucleic acids Michael Fritz, Herbert Harttig, Hans Lange, Rolf Lerch 1999-06-08
5906947 Method for the repeated transfer of liquids Gerhard Bienhaus, Hans Lange 1999-05-25
5821436 Method for the repeated transfer of liquids Gerhard Bienhaus, Hans Lange 1998-10-13
4948648 Fire resistant laminar cushioning material Billie B. Dadgar 1990-08-14 $12,749,000
4851835 Capacitive rotary transmitter for controlling and positioning displaced objects Claus-Peter Krumholz 1989-07-25
4552966 2-Nitro-4-(4-pyridinyl) benzoic acids and derivatives Paul F. Ranken 1985-11-12 $3,632,000
4533735 Process for preparing antibacterial compounds 1985-08-06 $4,514,000
4524203 4-(4-Pyridinyl)isatoic anhydride Paul F. Ranken 1985-06-18 $4,116,000
4515945 N-Alkyl-4-(4-pyridinyl)isatoic anhydrides Paul F. Ranken 1985-05-07 $3,372,000