Growing community of inventors

Sasolburg, South Africa

Adrie Van Zyl Visser

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 = 0

Adrie Van Zyl Visser ↔ Ferdinand Richter (1 patent)Adrie Van Zyl Visser ↔ Godlieb Gerhardus Swiegers (1 patent)Adrie Van Zyl VisserAdrie Van Zyl Visser (1 patent)Ferdinand RichterFerdinand Richter (6 patents)Godlieb Gerhardus SwiegersGodlieb Gerhardus Swiegers (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Schumann Sasol (South Africa) (Proprietary) Limited (1 from 1 patent)

2. Sasol Technology (Pty) Limited (61 patents)


1 patent:

1. 6315891 - Production of lubricant base oils

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1/7/2026
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