Growing community of inventors

Karis, Finland

Karl S Ronnholm

Average Co-Inventor Count = 1.92

ph-index = 7

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 = 342

Karl S RonnholmErkki O Linden (7 patents)Karl S RonnholmKarl S Ronnholm (8 patents)Erkki O LindenErkki O Linden (37 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Fiskars Finland Oy Ab (8 from 483 patents)


8 patents:

1. 5461765 - Method of making a pivoted tool having integral pivot member

2. 5456140 - Method for producing a pivoted tool having a self-compensating unitary

3. D362795 - Splitting axe

4. D354661 - Transplanter

5. 5341573 - Pivoted tool having a self-compensating unitary pivot member

6. D349222 - Trowel

7. D349023 - Hand cultivator

8. 5325592 - Pivoted tool having integral pivot member and method of producing same

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as of
1/8/2026
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