Growing community of inventors

GD Rijswijk, Netherlands

Astrid Hartwijk

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 = 98

Astrid Hartwijk ↔ Johannis Josephus Den Boer (1 patent)Astrid Hartwijk ↔ John Foreman Stewart (1 patent)Astrid Hartwijk ↔ Gerald Sommerauer (1 patent)Astrid HartwijkAstrid Hartwijk (1 patent)Johannis Josephus Den BoerJohannis Josephus Den Boer (20 patents)John Foreman StewartJohn Foreman Stewart (9 patents)Gerald SommerauerGerald Sommerauer (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shell Oil Comapny (1 from 7,646 patents)


1 patent:

1. 6679324 - Downhole device for controlling fluid flow in a well

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