Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Pretoria, ZA ranks #3,052 worldwide for total patents filed all time, with 994 patents from 529 inventors. Leading employers of inventors based in Pretoria, ZA include Lilliwyte Societe Anonyme, Insiava (Pty), Grieshaber & Co. Ag Schaffhausen.

Showing 1–50 of 529 inventors

Rank Inventor Primary Company Patents
1 Johan Coetzer Lilliwyte Societe Anonyme 32
2 Roy C. Galloway Lilliwyte Societe Anonyme 12
3 Monuko Du Plessis Insiava (Pty) 11
3 Robert Stegmann Grieshaber & Co. Ag Schaffhausen 11
3 André Johann Buys Shell Oil Compny 11
#6 Vernon P. Joynt Force Protection Technologies 10
#6 Rosalind J. Gummow Technology Finance Corporation (Proprietary) Limited 10
#6 Raymond Catherall Atkins Csir 10
#6 Vinesh Maharaj Csir 10
#10 Johannes Philippus Maree Csir 9
#10 Johannes Dekker National Energy Council 9
#10 Jan Adrianus Verschoor University Of Pretoria 9
#13 Willem Renier Blignaut Apple 8
#14 Arnold Van Zyl Lilliwyte Societe Anonyme 7
#14 Herbert Scheffel South African Inventions Development 7
#14 James R. Bull Schering 7
#14 Artur Suntken Elmos Semiconductor Se 7
#18 Roelof Marthinus Horak Csir 6
#18 Jan Harm Petrus Eloff Sap Se 6
#18 Gert Becker Lever Brothers 6
#18 Eugene Fourie American Standard 6
#18 Marek Piotr Zielinski Sap Se 6
#18 Eugene Van Buuren 6
#18 Johannes Petrus Le Roux The South African Nuclear Energy Corporation Limited 6
#18 Peter Woodman Unknown 6
#18 Hubertus Von Bergmann Lambda Physik Ag 6
#27 Jacques Van Buuren 5
#27 Pieter Andries Blatt Carstens Atomic Energy Corporation Of South Africa Limited 5
#27 David Steyn Van Vuuren Csir 5
#27 Mario Alphonso Marais Zih 5
#27 Ndivhuwo Makondo IBM 5
#27 Maletsabisa Molapo IBM 5
#27 Namrita Lall University Of Pretoria 5
#27 Willem J. C. Prinsloo Atomic Energy Corporation Of South Africa Limited 5
#27 Anthony A. Meintjes Lilliwyte Societe Anonyme 5
#27 Louis Ackerman Csir 5
#27 Friedrich O. Snyckers 5
#27 Constance Elizabeth Medlen 5
#27 Gerda Fouche Csir 5
#40 Paul Fuls Implico B.V. 4
#40 Clinton Aiden Van Zyl British Technology Group Limited 4
#40 Gavin Randall Tame 4
#40 Heather Madeleine Coombes Strait Access Technologies Holdings (Pty) 4
#40 Tjaart Andries Du Plessis Ion Beam Applications 4
#40 Wilhelm Eduard Conradie Csir 4
#40 Alan Michael Westdyk 4
#40 Leszek Andrzej Kuczynski Pebble Bed Modular Reactor (Proprietary) Limited 4
#40 Johannes W. Joubert 4
#40 Theunis G. Fourie 4
#40 Jan Rijn Zeevaart The South African Nuclear Energy Corporation Limited 4