Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Hennef (Sieg), DE ranks #9,162 worldwide for total patents filed in 2021, with 9 patents from 8 inventors. Leading employers of inventors based in Hennef (Sieg), DE include Wirtgen Gmbh, Kautex Textron Gmbh & Co. Kg, Vitesco Technologies Gmbh.

Showing 1–8 of 8 inventors

Rank Inventor Primary Company Patents
1 Sebastian Hofrath Wirtgen Gmbh 2
2 Stefan WIND Kautex Textron Gmbh & Co. Kg 1
2 Alexander Möseler Vitesco Technologies Gmbh 1
2 Axel Mahlberg Wirtgen Gmbh 1
2 Arndt Wellenberg Kautex Maschinenbau Gmbh 1
2 Thomas BIRKENBEIL Ford 1
2 Gerhard Spremberg 1
2 Markus Eggert Deutsche Telekom Ag 1