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

Helmut Schmidtke — 8 Patents

Basf Se: 8 patents #2,129 of 13,826Top 20%
Bensheim, DE: #67 of 372 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Helmut Schmidtke has been granted 8 US patents while listed as an inventor at Basf Se. The first was granted in 2007 and the most recent in October 2012. Helmut Schmidtke ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Helmut Schmidtke in Bensheim, DE.

Patents per Year

Patents granted per year, 2007 to 2012Bar chart with a peak of 3 patents in 2012.peak 32007: 2 patents20072010: 2 patents20102011: 1 patents20112012: 3 patents2012

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8293075 Method for the continuous separation by distillation of mixtures that contain morphonline (MO), monoaminodiglycol (ADG), ammonia and water by means of distillation Oliver Buβmann, Ralph Versch, Udo Rheude, Uwe Leyk, Manfred Julius +2 more 2012-10-23
8246793 Method for the continuous separation of mixtures comprising morpholine (MO), monoaminodiglycol (ADG), ammonia and water by means of distillation Oliver Buβmann, Ralph Versch, Udo Rheude, Uwe Leyk, Manfred Julius +2 more 2012-08-21
8197646 Processes for continuous fractional distillation of mixtures comprising morpholine, monoaminodiglycol, ammonia and water Oliver Buβmann, Ralph Versch, Udo Rheude, Uwe Leyk, Manfred Julius +2 more 2012-06-12
7994350 Process for continuously preparing N-ethyl-2-pyrrolidone (NEP) Ralph Versch, Silke Simon, Karl-Heinz Ott, Ronald Drews, Stephanie Mollner 2011-08-09
7825281 Method for producing electronic grade 2,2′-aminoethoxyethanol Martin Rudloff 2010-11-02
7753970 Polyalkene amines with improved applicational properties Marco Bergemann, Harald Schwahn, Dietmar Posselt, Erich K. Fehr, Thomas Wettling +1 more 2010-07-13
7227029 Method for the continuous production of N-methyl-2-pyrrolidone (NMP) Martin Rudloff, Peter Stops, Erhard Henkes, Rolf Fischer, Manfred Julius +2 more 2007-06-05 $867,000
7164031 Method for the production of 2-pyrrolidone Martin Rudloff, Peter Stops, Erhard Henkes, Rolf Fischer, Manfred Julius +2 more 2007-01-16 $534,000