Growing community of inventors

Karlsbad-Ittersbach, Germany

Klaus Derksen

Average Co-Inventor Count = 1.00

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 = 58

Klaus DerksenKlaus Derksen (7 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Pohl Gmbh & Co. Kg (3 from 5 patents)

2. Firma Pohl Gmbh & Co. Kg (2 from 2 patents)

3. Other (1 from 832,718 patents)

4. Firma Carl Freudenberg (1 from 629 patents)


7 patents:

1. 5682663 - Manufacture of covering for infusion bottle

2. 5678713 - Arrangement on infusion bottles or the like

3. 5487495 - Manually actuated dropper

4. 5467878 - Closure for an injection bottle

5. 5447247 - Sealing cap

6. 5405031 - Closure for a medicine bottle

7. 5368177 - Infusion bottle

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as of
12/11/2025
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