Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ellerau, DE ranks #13,187 worldwide for total patents filed all time, with 130 patents from 15 inventors. Leading employers of inventors based in Ellerau, DE include Koniniklijke Philips N.V., Air Liquide Santé (International), U.S. Philips.

Showing 1–15 of 15 inventors

Rank Inventor Primary Company Patents
1 Ewald Roessl Koniniklijke Philips N.V. 83
2 Wolfgang Siegert Air Liquide Santé (International) 12
2 Olaf Dössel U.S. Philips 12
#4 Ewald Rössl Koniniklijke Philips N.V. 7
#5 Birgit Rautenberg-Groth Henkel Ag & Co. Kgaa 4
#6 Jan Harrsen Amazon 2
#6 Dietmar Jodies Eppendorf Ag 2
#8 Daniel Kuehlein Flowserve Management 1
#8 Jochen R/u/ sen Koehring 1
#8 Manfred Rinckens Aco Sevrin Ahlmann Gmbh & Co Kg 1
#8 Christian Popall Thyssenkrupp Ag 1
#8 Joerg Fuhlendorf 1
#8 Pieter Van Luipen Intermoor 1
#8 Ilka Knickrehm 1
#8 Eckhard Zamboni Intermoor 1