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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sandton, ZA ranks #3,802 worldwide for total patents filed in 2021, with 30 patents from 6 inventors. Leading employers of inventors based in Sandton, ZA include Detnet South Africa (Pty), IBM.

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Christopher Malcolm Birkin Detnet South Africa (Pty) 9
1 Andre Louis Koekemoer Detnet South Africa (Pty) 9
3 Daniel Auguste Maurissens Detnet South Africa (Pty) 7
#4 Geoffrey H. Siwo IBM 2
#4 Hauke Maritz Liefferink 2
#6 Daniel Auguste Maurlssens Detnet South Africa (Pty) 1