Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Volker Diehl — 12 Patents

Basf Se: 10 patents #1,659 of 13,826Top 15%
IBM: 2 patents #32,909 of 70,183Top 50%
Ellerstadt, DE: #7 of 33 inventorsTop 25%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Volker Diehl has been granted 12 US patents while listed as an inventor at Basf Se. The first was granted in 1987 and the most recent in October 2009. Volker Diehl ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Volker Diehl in Ellerstadt, DE.

Patents per Year

Patents granted per year, 1987 to 2009Bar chart with a peak of 3 patents in 2006.peak 31987: 1 patents19871991: 2 patents19911998: 1 patents19982006: 3 patents20062007: 2 patents20072008: 1 patents20082009: 2 patents2009

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7597529 Method for filling a vertical tube with catalyst particles Steffen Rissel, Silke Berndt, Mark Duda, Knut Eger, Markus Hoelzle +1 more 2009-10-06
7537201 Thermal separating process Ulrich Jaeger, Ulrich Hammon, Juergen Schroeder, Steffen Rissel 2009-05-26
7331354 Cleaning of tray columns which have been used for rectificatively treating liquids comprising (meth)acrylic acid and/or esters thereof Juergen Schroeder, Klaus Joachim Mueller-Engel, Volker Schliephake, Ulrich Hammon, Ulrich Jaeger 2008-02-19
7287534 Cleaning of apparatus in which meth(acrylic) acid-containing organic solvents have been treated and/or generated Ulrich Jager, Jürgen Schröder, Joachim Thiel 2007-10-30
7284951 Method for conveying a liquid F containing at least one (meth)acrylic monomer Dimitrios Markopoulos, Juergen Schroeder, Michael Blechschmitt 2007-10-23
7150809 Thermal separating process Ulrich Jaeger, Ulrich Hammon, Juergen Schroeder, Steffen Rissel 2006-12-19 $579,000
7115775 Method and device for the two-step production of acrylic acid Thomas Buschulte, Bernd Hagen, Volker Huth, Wolfgang Kasten, Peter Schlemmer +1 more 2006-10-03 $725,000
7109374 Method for the continuous extraction of (meth)acrylic acid Otto Machhammer, Christoph Adami, Claus Hechler, Juergen Schroeder, Volker Schliephake +1 more 2006-09-19 $425,000
5780679 Separation of (meth)acrylic acid from the reaction gas mixture formed in the catalytic gas phase oxidation of C.sub.3 /C.sub.4 compounds Horst Egly, Klaus Jorg 1998-07-14
D321342 Housing for magnetic strip reader or similar article Gunter Kuczewski 1991-11-05
D315156 Telephone with display and card reader for personal computer 1991-03-05
4681946 Preparation of nicotinamide Karl Baur, Peter Stops, Hans Hellbach, Erwin Brunner 1987-07-21