Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sonnefeld, DE ranks #17,228 worldwide for total patents filed in 2023, with 3 patents from 3 inventors. Leading employers of inventors based in Sonnefeld, DE include GE, Thyssenkrupp Ag, Geiss Ag.

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Douglas Frank Hofmann GE 1
1 Andreas Bachmann Thyssenkrupp Ag 1
1 Miroslaw Wiercinski Geiss Ag 1