Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Keltern, DE ranks #9,162 worldwide for total patents filed in 2021, with 9 patents from 6 inventors. Leading employers of inventors based in Keltern, DE include Agilent Technologies, Alcatel, Stratec Se.

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Klaus Witt Agilent Technologies 3
2 Wieslawa Wajda Alcatel 2
3 Uwe Maschke Stratec Se 1
3 Bernhard Muller Ciba Specialty Chemicals 1
3 Viktor Herzog-Lang Tgw Mechanics Gmbh 1
3 Joerg Wachter Felss Systems Gmbh 1