Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Maassluis, NL ranks #4,109 worldwide for total patents filed all time, with 689 patents from 156 inventors. Leading employers of inventors based in Maassluis, NL include Lely Patent N.V., Rijk Zwaan Zaadteelt En Zaadhandel B.V., Bluewater Energy Services B.V..

Showing 1–50 of 156 inventors

Rank Inventor Primary Company Patents
1 Karel Van Den Berg Lely Patent N.V. 165
2 Willem van Vliet Rijk Zwaan Zaadteelt En Zaadhandel B.V. 34
3 Jacob De Baan Bluewater Energy Services B.V. 22
#4 Jacobus Petrus Maria Dessing Prolion B.V. 18
#5 Renatus Ignatius Josephus Fransen Lely Enterprises Ag 17
#5 Jan Martinus Van Kuilenburg Lely Patent N.V. 17
#7 Hindrik Huizinga Conopco 16
#7 Paulus Jacobus Maria VAN ADRICHEM Lely Patent N.V. 16
#9 Arie Van Vliet ExxonMobil 13
#9 Dik-Jan Wisse Lely Patent N.V. 13
#11 Leo F. Vermaas Van Den Bergh Foods Co., Division Of Conopco 11
#12 Frans Emo Diderik Van Halsema Lely Patent N.V. 10
#12 Wouter Musters Unilever Patent Holdings B.V. 10
#14 Johannes Adrianus Van Eekelen Dsm Ip Assets B.V. 9
#15 Hélèna Geralda Maria VIJVERBERG Lely Enterprises Ag 8
#16 Hubert Adriaan Van Mierlo Asml Netherlands B.V. 7
#16 Johannes Martinus Jacobus Visser Dsm N.V. 7
#16 Jannes G. Lammers Van Den Bergh Foods Co., Division Of Conopco 7
#19 Mark Cornelius Marinus Franciscus Rommens Gustomsc B.V. 6
#19 Hendrik S. Kielman Lever Brothers 6
#19 Leonie Martine Diks-Warmerdam Conopco 6
#19 Arie Huyzer Lely Patent N.V. 6
#19 Rik Steenbergen Lely Patent N.V. 6
#19 Rudy De Jong Forage Innovations Bv 6
#19 Huibrecht Johannes Arjen Van Den Beukel Lely Patent N.V. 6
#19 Marco Le Kluse Asml Netherlands B.V. 6
#27 Dick A. Pons Stamicarbon B.V. 5
#27 Adrianus Visser Van Den Bergh Foods Co., Division Of Conopco 5
#27 Antonius Henricus J. Strijbosch Unilever Home & Personal Care Usa, Division Of Conopco 5
#27 Johannes F. M. de Rooij Unilever Patent Holdings B.V. 5
#27 Pieter Dirk van Wassenaar Good Humor-Breyers Ice Cream, Division Of Conopco 5
#32 Henricus Arnoldus Hendrickx Lipton, Division Of Conopco 4
#32 Dirk Dijkshoorn Lely Patent N.V. 4
#32 Lammert Heslinga Conopco 4
#32 Sape Sikkema C. Van Der Lely, N.V. 4
#32 Geert Cornelis Steen Lely Enterprises Ag 4
#32 Peter Rodewald Forage Company B.V. 4
#32 Ruben Alexander Van Tilburg Lely Patent N.V. 4
#32 Mattheus Jacob De Hullu Lely Patent N.V. 4
#32 Jaap de Baan 4
#32 Peter Michael Gavin Lely Patent N.V. 4
#42 Hendrik Van Ketel 3
#42 Mario Henrique Voorsluys Lely Patent N.V. 3
#42 Tom Jansen Kok & Van Engelen Composite Structures B.V. 3
#42 Michiel Brevet Lely Patent N.V. 3
#42 Frank Gerard Regelink Lely Patent N.V. 3
#42 Bart Van Eeden Lely Patent N.V. 3
#42 Cornelis J. van der Laan Asm Lithography B.V. 3
#42 Wim van Marrewijk 3
#42 Julian Francis George Hopper ICI 3