Growing community of inventors

Winnenden, Germany

Matthias Helfert

Average Co-Inventor Count = 2.00

ph-index = 5

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 = 59

Matthias HelfertMichael Meyer (10 patents)Matthias HelfertMatthias Helfert (10 patents)Michael MeyerMichael Meyer (52 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Alfred Kaercher Gmbh & Co. Kg (10 from 212 patents)


10 patents:

1. D874771 - Window cleaning appliance

2. D830026 - Window cleaning appliance

3. D828665 - Window cleaning appliance

4. D818231 - Window cleaning appliance

5. D792040 - Electric vacuum cleaner

6. D791420 - Electric vacuum cleaner

7. D789633 - Electric vacuum cleaner

8. D789627 - Vacuum cleaner

9. D769560 - Window cleaning appliance

10. D729474 - Mounting device for a window cleaning appliance

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idiyas.com
as of
12/10/2025
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