Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Certaldo, IT ranks #33,039 worldwide for total patents filed all time, with 27 patents from 10 inventors. Leading employers of inventors based in Certaldo, IT include L. Molteni & C. Di Fratelli Alitti—Societa Di Esercizo S.P.A., Imer U.S.A., Smith International.

Showing 1–10 of 10 inventors

Rank Inventor Primary Company Patents
1 Donata Dei L. Molteni & C. Di Fratelli Alitti—Societa Di Esercizo S.P.A. 14
2 Roberto Coli Imer U.S.A. 4
3 Riccardo Gronchi Smith International 2
#4 Antonio Bertini Imer International S.P.A. 1
#4 Attilio Bartolozzi 1
#4 Andrea Bartolozzi 1
#4 Stella Calogero 1
#4 Mauro Pineschi Universita Di Pisa 1
#4 Filippo Orsi 1
#4 Elisa Niccolini Fondazione Irccs Istituto Nazionale Dei Tumori 1