Growing community of inventors

Grossauheim, Germany

Heidrun Bertram

Average Co-Inventor Count = 3.45

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 = 25

Heidrun Bertram ↔ Rudolf Fahnenstich (4 patents)Heidrun Bertram ↔ Herbert Tanner (4 patents)Heidrun Bertram ↔ Heribert Offermanns (1 patent)Heidrun Bertram ↔ Gerhard Pohl (1 patent)Heidrun Bertram ↔ Helmut Junkermann (1 patent)Heidrun Bertram ↔ Rudolf Fahnestich (1 patent)Heidrun Bertram ↔ Joachim Hesse (1 patent)Heidrun BertramHeidrun Bertram (5 patents)Rudolf FahnenstichRudolf Fahnenstich (9 patents)Herbert TannerHerbert Tanner (8 patents)Heribert OffermannsHeribert Offermanns (37 patents)Gerhard PohlGerhard Pohl (13 patents)Helmut JunkermannHelmut Junkermann (6 patents)Rudolf FahnestichRudolf Fahnestich (1 patent)Joachim HesseJoachim Hesse (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Deutsche Gold- Und Silber-scheideanstalt Vormals Roessler (5 from 343 patents)


5 patents:

1. 4073945 - Fodder for cows

2. 4056658 - Food and fodder additive

3. 4044169 - Feed additive for ruminants

4. 4042716 - Preservative for fodder, mixed fodder and silage

5. 3968253 - Feed additive for ruminants

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as of
12/7/2025
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