Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RL

Rolf Laurien — 4 Patents

U.S. Philips: 4 patents #1,244 of 8,851Top 15%
Pinneberg, DE: #26 of 142 inventorsTop 20%
Overall (All Time): #1,306,006 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4687646 Cold crucible for melting and crystallizing non-metallic inorganic compounds Werner D. Mateika, Manfred Liehr 1987-08-18
4609425 Cold crucible system and method for the meeting and crystallization of non-metallic inorganic compounds Dieter Mateika 1986-09-02
4454206 Magnetic device having a monocrystalline garnet substrate bearing a magnetic layer Dieter Mateika 1984-06-12
4379853 Magnetic device having a monocrystalline garnet substrate bearing a magnetic layer Dieter Mateika 1983-04-12