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USPTO Patent Rankings Data through Dec 31, 2025
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Peter Schaefer — 18 Patents

Basf Se: 13 patents #1,226 of 13,826Top 9%
BBBasf Agro B.V.: 3 patents #26 of 111Top 25%
GE: 2 patents #13,632 of 36,430Top 40%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
Peter Schaefer has been granted 18 US patents while listed as an inventor at Basf Se. The first was granted in 1983 and the most recent in April 2021. Peter Schaefer ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list Peter Schaefer in Ottersheim, NY, DE.

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10981883 Process for the preparation of substituted oxiranes and triazoles Thomas Zierke, Joachim Gebhardt, Uwe Josef Vogelbacher, Michael Rack, Jan Klaas Lohmann 2021-04-20
10519122 Process for the preparation of substituted oxiranes and triazoles Thomas Zierke, Joachim Gebhardt, Uwe Josef Vogelbacher, Michael Rack, Jan Klaas Lohmann 2019-12-31
9981931 Process for the preparation of substituted oxiranes and triazoles Thomas Zierke, Joachim Gebhardt, Uwe Josef Vogelbacher, Michael Rack, Jan Klaas Lohmann 2018-05-29
6239074 Substituted 3-phenyluracils Ralf Klintz, Gerhard Hamprecht, Elisabeth Heistracher, Hans-Josef Wolf, Karl-Otto Westphalen +4 more 2001-05-29 $314,000
6204222 Substituted cyclohexene-1,2-dicarboxylic acid derivatives and intermediates for their preparation Ralf Klintz, Elisabeth Heistracher, Gerhard Hamprecht, Peter Plath, Uwe Kardorff +3 more 2001-03-20 $301,000
6165941 Substituted 2-phenylpyridines Gerhard Hamprecht, Elisabeth Heistracher, Hartmann Koenig, Ralf Klintz, Peter Muenster +4 more 2000-12-26 $162,000
5958837 Substituted 2-phenylpyridines Gerhard Hamprecht, Elisabeth Heistracher, Ralf Klintz, Hartmann Konig, Helmut Walter +2 more 1999-09-28
5817603 Substituted cyclohexene-1,2-dicarboxylic acid derivatives and intermediates for their preparation Ralf Klintz, Elisabeth Heistracher, Gerhard Hamprecht, Peter Plath, Uwe Kardorff +3 more 1998-10-06
5783522 Substituted 2-phenylpyridines Gerhard Hamprecht, Elisabeth Heistracher, Hartmann Koenig, Ralf Klintz, Peter Muenster +4 more 1998-07-21
5698494 Substituted N-phenylglutarimides and N-phenylglutaramides, their preparation and use Ralf Klintz, Gerhard Hamprecht, Elisabeth Heistracher, Uwe Kardorff, Karl-Otto Westphalen +2 more 1997-12-16
5602074 Substituted isoindolones useful as plant growth regulators Ralf Klintz, Elisabeth Heistracher, Gerhard Hamprecht, Uwe Kardorff, Matthias Gerber +2 more 1997-02-11
5382758 Diamond substrates having metallized vias Charles D. Iacovangelo, Elihu Calvin Jerabek, Ronald H. Wilson 1995-01-17 $24,738,000
5356860 Styrene derivatives useful as herbicides and defoliants Bernd Schaefer, Lothar Rueb, Karl-Otto Westphalen, Matthias Gerber, Helmut Walter 1994-10-18
5328715 Process for making metallized vias in diamond substrates Charles D. Iacovangelo, Elihu Calvin Jerabek, Ronald H. Wilson 1994-07-12 $14,759,000
5324843 Process for making 3,4,5,6-tetrahydrophthalimide derivatives Lothar Rueb, Karl Eicken, Bernd Schaefer, Gernot Reissenweber 1994-06-28
5258356 Substituted 1,8-naphthyridines, their preparation and their use as antidotes Thomas Saupe, Norbert Meyer, Bruno Wuerzer, Karl-Otto Westphalen 1993-11-02
4726955 Preparation of finely divided, pulverulent carotenoid preparations Dieter Horn, Hans-Juergen Quadbeck-Seeger, Wolfgang Haehnlein 1988-02-23
4384141 Preparation of .alpha.-bromoacetophenone-oxime-ethers Dietrich Mangold 1983-05-17