Growing community of inventors

Berlin, Germany

Stefan Feustel

Average Co-Inventor Count = 2.00

ph-index = 4

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 = 52

Stefan FeustelAndre Kunzendorf (9 patents)Stefan FeustelStefan Feustel (9 patents)Andre KunzendorfAndre Kunzendorf (37 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Led Lenser Corp. Ltd. (7 from 21 patents)

2. Zweibrüder Optoelectronics Gmbh & Co. Kg (3 from 13 patents)


9 patents:

1. D811637 - Flashlight

2. D793597 - Flashlight

3. 9693425 - Wearable headlamp

4. 9647473 - Apparatus and system for a multi-modal flashlight and charging base

5. D774690 - Headlamp bracket

6. D768322 - Headlamp

7. D754378 - Headlamp

8. D752794 - Flashlight

9. D729159 - Charging base

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as of
1/1/2026
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