Inventor · disambiguated record
Herman Pieterse
Also filed as: PIETERSE HERMAN · PIETERSE HERMAN J · PIETERSE HERMAN J H
5 granted patents·220 citations·filing 1990–2005
84Inventor score
Files withBARRICK GOLD CORP2AMERICAN BARRICK RESOURCES COR1CALDERA ENGINEERING LLC1SUPERSENSOR PROPRIETARY LTD1
Top patents by PatentIndex Score
5 records- 0193US5071477AProcess for recovery of gold from refractory oresAMERICAN BARRICK RESOURCES COR·Filed 1990·Granted Dec 10, 1991·99 cites·15 claims
- 0288US5489326AGold recovery using controlled oxygen distribution pressure oxidationBARRICK GOLD CORP·Filed 1994·Granted Feb 6, 1996·77 cites·24 claims
- 0381US7237574B2Controlled dispersion multi-phase nozzle and method of making the sameCALDERA ENGINEERING LLC·Filed 2005·Granted Jul 3, 2007·14 cites·14 claims
- 0470US6388630B1Waveguide for transmitting RF energy through an RF barrierSUPERSENSOR PROPRIETARY LTD·Filed 2000·Granted May 14, 2002·19 cites·17 claims
- 0544US5989330AAcid resistant cement compositionBARRICK GOLD CORP·Filed 1997·Granted Nov 23, 1999·11 cites·31 claims
Join the waitlist — get patent alerts
Get an alert when Herman Pieterse files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →