Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kimberley, ZA ranks #6,888 worldwide for total patents filed all time, with 347 patents from 178 inventors. Leading employers of inventors based in Kimberley, ZA include Zarina Holdings C.V., Irdeto B.V., National Energy Council.

Showing 1–50 of 178 inventors

Rank Inventor Primary Company Patents
1 Raymond Albert Chapman 11
2 Dale McPhee Purcocks 10
2 David S. Atkins Zarina Holdings C.V. 10
#4 Edgar P. Scragg 8
#4 Simon Paul Ashley Rix Irdeto B.V. 8
#4 Izak J. Cronje National Energy Council 8
#7 Rudiger Heinz Gebert 7
#7 George Victor Rissik 7
#9 Roger Robarts Briggs 6
#9 Michael Von Seidel 6
#9 Bernardus J. Bout 6
#9 Oliver F. R. A. Damm Csir 6
#13 John Arthur Bewsey 5
#13 Andrew I. Lloyd 5
#13 Peter William Stephenson Cambridge Silicon Radio Limited 5
#13 Anthony R. Clausen Unknown 5
#13 Adriaan Retief Swanepoel Trico Products 5
#18 Hendrik Schalk Visser 4
#18 Elie Dahan Optonol 4
#18 André Keith Joubert Technology Finance Corporation (Proprietary) Limited 4
#18 Trevor Philip Elworthy 4
#18 William I. Wilson 4
#18 Isak L. Vlok Electro Chemical Holdings Societe Anonyme 4
#24 Ralf D. H. Gebert 3
#24 Vladimir Cukan Csir 3
#24 Julian Levin 3
#24 Franz J. Gebert 3
#24 Roelof Johannes Mostert 3
#24 Richard S. Weldon-Ming 3
#24 Anthony W. Manicom 3
#24 Theodore D. Swemmer 3
#24 John Alexander Deschamps 3
#24 Heinz Schubert Lenhardt Maschinenbau Gmbh 3
#34 Raymond W. Hinks 2
#34 Ben Thomas Zaaiman 2
#34 Ian Louis De Villiers 2
#34 Philip Norman Spencer 2
#34 Michael C. Eksteen Thorn Emi Plc 2
#34 Jonah Fisher 2
#34 Jan H. Barnard 2
#34 Errol R. Scott 2
#34 Peter J. Cabassi Henkel Kommanditgesellschaft Auf Aktien 2
#34 Frederick Ernst Von Lempke 2
#34 Isaac Wolf The State Of Israel, Ministry Of Agriculture... 2
#34 Ronald A. Van Steenderen Csir 2
#34 Bodo R. Rohrmann 2
#34 Dalmain F. Untiedt 2
#34 Hendrik Smit Oce-Nederland B.V. 2
#34 Johannes J. Bodenstein Johannesburg Consolidated Investment Company Limited 2
#34 Horst Wagner Dbt Gmbh 2