Growing community of inventors

Biberach an der Riss, Germany

Helmut Teufel

Average Co-Inventor Count = 4.40

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 60

Helmut TeufelWolfhard Engel (8 patents)Helmut TeufelErnst Seeger (8 patents)Helmut TeufelJosef Nickl (5 patents)Helmut TeufelGunther Engelhardt (5 patents)Helmut TeufelGunter Trummlitz (2 patents)Helmut TeufelWalter Haarmann (1 patent)Helmut TeufelHelmut Teufel (8 patents)Wolfhard EngelWolfhard Engel (60 patents)Ernst SeegerErnst Seeger (16 patents)Josef NicklJosef Nickl (32 patents)Gunther EngelhardtGunther Engelhardt (28 patents)Gunter TrummlitzGunter Trummlitz (29 patents)Walter HaarmannWalter Haarmann (31 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Boehringer Ingelheim Gmbh (8 from 306 patents)


8 patents:

1. 4021479 - Derivatives of 4-(4-biphenylyl)-butyric acid

2. 3997589 - 4-(2'-Fluoro-4-biphenylylr-4-oxo-butyric acid and esters and salts

3. 3992535 - 4-Hydroxy-2H-naphtho[2,1-e]-1,2-thiazine-3-carboxamide-1,1-dioxides and

4. 3987197 - 3-(2'-Fluoro-4-biphenylyl)-butyric acid and salts thereof

5. 3969418 - (4-Biphenylyl)-butenols

6. 3969419 - 3-(2-Halo-4-biphenylyl)-1-butanols and derivatives thereof

7. 3969523 - Antiphlogistic pharmaceutical compositions containing a 1-(nicotinoyl or

8. 3950427 - Araliphatic ketones and carbinols

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as of
12/9/2025
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