Growing community of inventors

Rijswijk, Netherlands

Petrus C De Roo

Average Co-Inventor Count = 5.00

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 = 23

Petrus C De Roo ↔ Robert Bruce Stewart (1 patent)Petrus C De Roo ↔ Franciscus H Meijs (1 patent)Petrus C De Roo ↔ Gerardus M Bol (1 patent)Petrus C De Roo ↔ Fredericus C Schouten (1 patent)Petrus C De RooPetrus C De Roo (1 patent)Robert Bruce StewartRobert Bruce Stewart (10 patents)Franciscus H MeijsFranciscus H Meijs (2 patents)Gerardus M BolGerardus M Bol (1 patent)Fredericus C SchoutenFredericus C Schouten (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. 4716965 - Installing casing with improved casing/cement bonding

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12/19/2025
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