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USPTO Patent Rankings Data through Dec 31, 2025
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Erich Lehr — 26 Patents

BOBOE: 26 patents #690 of 12,373Top 6%
Waldalgesheim, DE: #1 of 13 inventorsTop 8%
Overall (All Time): #150,017 of 4,157,543Top 4%
26 Patents All Time
Erich Lehr has been granted 26 US patents while listed as an inventor at BOE. The first was granted in 1982 and the most recent in December 2002. Erich Lehr ranks #150,017 of 4,157,543 US inventors in our database (top 3.6%). Patent records list Erich Lehr in Waldalgesheim, DE.

Patents per Year

Patents granted per year, 1982 to 2002Bar chart with a peak of 4 patents in 1990.peak 41982: 1 patents19821986: 1 patents1987: 1 patents19871988: 3 patents1989: 3 patents19891990: 4 patents1991: 2 patents19911992: 1 patents1993: 1 patents19931995: 1 patents1996: 1 patents19961997: 3 patents1998: 1 patents19982001: 2 patents2002: 1 patents2002

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
6492377 Imidazotriazolopyrimidines with adenosine-antagonistic activity Stefan Blech, Adrian Carter, Wolfram Gaida, Matthias Hoffmann, Ulrike Kuefner-Muehl +5 more 2002-12-10
6191153 Use of 2-amino-6-n-propyl-amino-4,5,6,7-tetrahydrobenzothiazole as a pharmaceutical composition having an antidepressant activity Rudolf Hammer, Joachim Mierau, Franco Borsini 2001-02-20
6187780 Assymetrically substituted xanthine derivatives having adenosine A1 antagonistic activity Stefan Blech, Adrian Carter, Wolfram Gaida, Ursula Gath, Matthias Hoffmann +4 more 2001-02-13
5719279 Asymmetrically substituted xanthines Ulrike Kufner-Muhl, Helmut Ensinger, Joachim Mierau, Franz J. Kuhn, Enzio Muller 1998-02-17
5696124 Xanthine derivatives with adenosine-antagonistic activity Ulrike Kufner-Muhl, Karl-Heinz Weber, Gerhard Waither, Werner Stransky, Helmut Ensinger +2 more 1997-12-09
5688802 Bornyl xanthine derivatives with adenosine-antagonistic activity Ulrike Kufner-Muhl, Karl-Heinz Weber, Gerhard Walther, Werner Stransky, Helmut Ensinger +2 more 1997-11-18
5641784 8-substituted 1,3-dialiphaticxanthine derivatives Ulrike Kufner-Muhl, Werner Stransky, Gerhard Walther, Karl-Heinz Weber, Helmut Ensinger +2 more 1997-06-24
5532368 Xanthine derivatives with adenosine-antagonistic activity Ulrike Kufner-Muhl, Karl-Heinz Weber, Gerhard Walther, Werner Stransky, Helmut Ensinger +2 more 1996-07-02
5422353 Tetrahydropyridine derivatives Gerhard Walther, Karl-Heinz Weber, Werner Stransky, Franz J. Kuhn, Enzio Muller +2 more 1995-06-06
5217967 Agent with an antidepressant activity Wolf-Dietrich Bechtel, Astrid Schuster 1993-06-08
5149808 N-heterocyclic substituted -pyrrolidin-2-ones Karl-Heinz Weber, Gerhard Walther, Claus Schneider, Dieter Hinzen, Franz J. Kuhn 1992-09-22
5073671 1-(benzyl or pyridylmethyl)-4 or 5-aminomethyl-pyrrolidin-2-ones Karl-Heinz Weber, Gerhard Walther, Claus Schneider, Dieter Hinzen, Franz J. Kuhn 1991-12-17
4996224 1-benzyl-4- or 5-pyrrolidinomethyl-pyrrolidin-2-ones and nootropic method of use thereof Karl-Heinz Weber, Gerhard Walther, Claus Schneider, Dieter Hinzen, Franz J. Kuhn 1991-02-26
4954516 Use of 1-benzyl-aminoalkyl-pyrrolidinones as antidepressants Wolf-Dietrich Bechtel, Karin Boke-Kuhn, Claus Schneider, Gerhard Walther, Karl-Heinz Weber 1990-09-04
4931435 Agent with an antidepressant activity 1990-06-05
4912129 Use of 1-benzyl-aminoalkyl-pyrrolidinones as antidepressants Wolf-Dietrich Bechtel, Karin Boke-Kuhn, Claus Schneider, Gerhard Walther, Karl-Heinz Weber 1990-03-27
4891378 Nortropanyl containing pyrrolidinones, pharmaceutical compositions and use Karl-Heinz Weber, Claus Schneider, Gerhard Walther, Dieter Hinzen, Franz J. Kuhn +2 more 1990-01-02
4857528 Substituted pyrrolidinones, pharmaceutical compositions and use Karl-Heinz Weber, Claus Schneider, Gerhard Walther, Dieter Hinzen, Franz J. Kuhn +2 more 1989-08-15
4833140 1-(benzyl or pyridylmethyl)-4 or 5-aminomethyl-pyrrolidin-2-ones Karl-Heinz Weber, Gerhard Walther, Claus Schneider, Dieter Hinzen, Franz J. Kuhn 1989-05-23
4812453 Use of 1-benzyl-aminoalkyl-pyrrolidinones as antidepressants Wolf-Dietrich Bechtel, Karin Boke-Kuhn, Claus Schneider, Gerhard Walther, Karl-Heinz Weber 1989-03-14
4767759 Piperazinyl and morpholinyl substituted 1-(benzyl or pyridylmethyl)-4-or-5-aminomethyl-pyrrolidin-2-ones and their nootropic use Karl-Heinz Weber, Gerhard Walther, Claus Schneider, Dieter Hinzen, Franz J. Kuhn 1988-08-30
4762832 Morpholine containing pyrrolidinones pharmaceutical compositions and use Karl-Heinz Weber, Claus Schneider, Gerhard Walther, Dieter Hinzen, Franz J. Kuhn +2 more 1988-08-09
4732900 1,2,4-triazolo-carbamates Karl-Heinz Weber, Dieter Hinzen, Franz J. Kuhn, Wilhelm Frolke, Wolfgang Troger +3 more 1988-03-22
4670456 4-Aminocarbonylaminomethyl-1-benzylpyrrolidin-2-ones as nootropic agents and as agents for treating cerebral insufficiency Karl-Heinz Weber, Claus Schneider, Gerhard Walther, Dieter Hinzen, Franz J. Kuhn +2 more 1987-06-02
4581364 1-substituted-4-hydroxymethyl-pyrrolidin-2-ones Karl-Heinz Weber, Gerhard Walther, Claus Schneider, Dieter Hinzen, Franz J. Kuhn 1986-04-08