Growing community of inventors

Kodal, Norway

David Hutchinson

Average Co-Inventor Count = 4.00

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 = 0

David Hutchinson ↔ Kristian Harestad (1 patent)David Hutchinson ↔ Magnar Tveiten (1 patent)David Hutchinson ↔ Egil Josefsen (1 patent)David HutchinsonDavid Hutchinson (1 patent)Kristian HarestadKristian Harestad (12 patents)Magnar TveitenMagnar Tveiten (11 patents)Egil JosefsenEgil Josefsen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Petroleum Technology Company (1 from 1 patent)

2. Petroleum Technology Company As (30 patents)


1 patent:

1. 8136601 - Power lift generator

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as of
12/20/2025
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