Growing community of inventors

Niederneisen, Germany

Leonhard Hagedorn

Average Co-Inventor Count = 2.18

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 = 23

Leonhard HagedornRolf-Gunter Schulein (5 patents)Leonhard HagedornGerald Schlund (1 patent)Leonhard HagedornA David Hahn (1 patent)Leonhard HagedornCharles E Fishpaugh (1 patent)Leonhard HagedornLeonhard Hagedorn (6 patents)Rolf-Gunter SchuleinRolf-Gunter Schulein (10 patents)Gerald SchlundGerald Schlund (2 patents)A David HahnA David Hahn (1 patent)Charles E FishpaughCharles E Fishpaugh (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Leifheit Ag (3 from 87 patents)

2. Itt Industries, Inc. (2 from 767 patents)

3. Black Decker Inc. (1 from 5,073 patents)


6 patents:

1. 4632319 - Cable connector interlock arrangement for electric shredders

2. D286721 - Rack for scissors

3. D286483 - Rack for corkscrew

4. D283962 - Rack for can opener

5. D276018 - Combined rack, vegetable peeler, and knife

6. D273443 - Pocket clothes brush

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as of
1/16/2026
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