Growing community of inventors

Knarrevik, Norway

Jon Arne Hammersmark

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 = 5

Jon Arne Hammersmark ↔ Bernt Eikemo (1 patent)Jon Arne HammersmarkJon Arne Hammersmark (1 patent)Bernt EikemoBernt Eikemo (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Agr Subsea, As (1 from 17 patents)

2. Enhanced Drilling A.s. (13 patents)


1 patent:

1. 8967292 - Method and device for establishing a borehole in the seabed

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12/18/2025
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