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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Contwig, DE ranks #33,039 worldwide for total patents filed all time, with 27 patents from 13 inventors. Leading employers of inventors based in Contwig, DE include Sap Ag, Terex Demag Gmbh, John Deere.

Showing 1–13 of 13 inventors

Rank Inventor Primary Company Patents
1 Carsten Kreuels Sap Ag 5
2 Jürgen Appel Terex Demag Gmbh 4
3 Walter Emmert John Deere 3
3 Markus Bissbort Hydraforce 3
#5 Werner Velten John Deere 2
#5 Antonio Perez-Lopez John Deere 2
#5 Stefan Schlachter Hydac Process Technology Gmbh 2
#8 Karl-Heinz Bellaire John Deere 1
#8 Helmut Luebbers John Deere 1
#8 Hans Barmann Mannesmann Ag 1
#8 Karl-Heinz Baston 1
#8 Benjamin Peschel John Deere 1
#8 Andric Adner Terex-Demag Gmbh & Co. Kg 1