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

Erwin Muller — 52 Patents

FAFerag Ag: 32 patents #6 of 115Top 6%
Siemens Aktiengesellschaft: 6 patents #2,149 of 22,248Top 10%
WAWrh Walter Reist Holding Ag: 5 patents #2 of 15Top 15%
TAThyssen Industrie Ag: 3 patents #9 of 145Top 7%
BHBayer Healthcare: 2 patents #3,312 of 8,007Top 45%
EGErwin Müller Gmbh: 1 patents #2 of 5Top 40%
BCBbc Brown, Boveri & Company: 1 patents #260 of 667Top 40%
ANAgfa-Gevaert Nv: 1 patents #100 of 260Top 40%
Karlstein, DE: #1 of 65 inventorsTop 2%
Overall (All Time): #51,198 of 4,157,543Top 2%
52 Patents All Time

Issued Patents All Time

Showing 51–52 of 52 patents

Patent #TitleCo-InventorsDate
4228249 Segmented polyurethane resins Johannes Blahak, Roland Gipp, Kuno Wagner, Jan Mazanek, Peter Haas 1980-10-14
4186257 Process for the preparation of new segmented polyurethane resins derived from block copolymers being linked together through ester and/or urethane and/or urea groups Johannes Blahak, Roland Gipp, Kuno Wagner, Jan Mazanek, Peter Haas 1980-01-29