Growing community of inventors

Middenmeer, Netherlands

Sibbele De Boer

Average Co-Inventor Count = 3.00

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

Sibbele De Boer ↔ Jacobus A Gozeling (1 patent)Sibbele De Boer ↔ Abraham A Spiering (1 patent)Sibbele De BoerSibbele De Boer (1 patent)Jacobus A GozelingJacobus A Gozeling (1 patent)Abraham A SpieringAbraham A Spiering (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Estel Hoogovens Bv (1 from 25 patents)


1 patent:

1. 4456083 - Blast furnace taphole drill

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as of
12/17/2025
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