Johannesburg, ZA All Time

1,353 patents  ·  594 inventors

Ranked #2,900 of 111,555 cities Top 3%

Showing 51–100 of 594 inventors

Rank Inventor Primary Company Patents
#42 Scotty Bromfield Rockwell Automation 5
#42 Greig Knox Epiroc Drilling Tools Ab 5
#42 Andrzej Lenarcik British Technology Group Limited 5
#42 Michiel S. Kritzinger Unknown 5
#42 Derick Garzancich — 5
#42 John A. Bonnard Leco 5
#57 Russel Ian Hawkins — 4
#57 John H. R. Norton Aeci Limited 4
#57 Stefan Franz Thomas Weiss University Of The Witwatersrand, Johannesburg 4
#57 Richard G. Copperthwaite Pratley Investments (Proprietary) Limited 4
#57 Themistoclis Themistocleous Pratley Investments (Proprietary) Limited 4
#57 Barend Jacobus Jordaan — 4
#57 Simon Henry Connell University Of Johannesburg 4
#57 Martin Nkululeko Hogan Cook University Of Johannesburg 4
#57 Anine Hester Ras Element Six Abrasives S.A. 4
#57 Christiaan Rudolf Oosthuizen — 4
#57 Michael Davies Grant Prideco 4
#57 Angus James Farquharson Campbell BROWN Nchain Licensing Ag 4
#57 Marius Christo Botha Detnet South Africa (Pty) 4
#57 Bruce Ringsby Olmstead Bhp Billiton Innovation Pty 4
#57 Christo Andre Beukes Orica Explosives Technology Pty 4
#57 Robert Reginald Bray — 4
#57 Leon Michael Zimmermann — 4
#57 Colin Anthony Wade Joy Mm Delaware 4
#57 Johannes Jochemus Gildenhuys Sasol Technology Proprietary Limited 4
#57 Johannes Hendrik Fehrsen Trico Products 4
#57 Isabella Lodewina Greeff Sasol Technology Proprietary Limited 4
#57 Alex Freire de Andrade Joy Mm Delaware 4
#57 Kenneth Ikechukwu Ozoemena Csir 4
#80 Arthur Lewin Siemens Aktiengesellschaft 3
#80 Francois Venter Detnet South Africa (Pty) 3
#80 Raymond J. Davidson — 3
#80 Stephen A. Parsons — 3
#80 Roelof W. Liebenberg Rooperol (Na) Nv 3
#80 Petrus D. Prins — 3
#80 Gciniwe Dlamini IBM 3
#80 Lorien Benjamin GAMAROFF Nchain Licensing Ag 3
#80 Paul Smit Baumann Sasol Technology Proprietary Limited 3
#80 Valerie Jones National Research Development 3
#80 Diane Hildebrandt University Of The Witwatersrand, Johannesburg 3
#80 Cornelius Alewyn Botha Unknown 3
#80 Allan Shor University Of Washington 3
#80 Etienne Rijkheer — 3
#80 Roberto Maria Marcello Dionisio African Oxygen Limited 3
#80 Michael H. Moys — 3
#80 Johannes Nell Billiton Sa Limited 3
#80 Andrew Keith Maclaren-Taylor Unknown 3
#80 Dragan Vukovic Baker Hughes Holdings 3
#80 Charlie M. Levitt — 3
#80 Mark S. Hallinan African Oxygen Limited 3