Growing community of inventors

Sandnes, Norway

John Karstein Tønnessen

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 2

John Karstein TønnessenMagne Skjæveland (1 patent)John Karstein TønnessenJohn Karstein Tønnessen (1 patent)Magne SkjævelandMagne Skjæveland (8 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Kverneland Group Operations Norway As (1 from 12 patents)


1 patent:

1. 10130021 - Locking device for a wear part of a soil-working implement

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