Karlheinz Grotloh

SL Sulzer Brothers Limited: 3 patents #59 of 443Top 15%

📍 Winterthur, CH: #194 of 771 inventorsTop 30%

Overall (All Time): #1,677,878 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4589627	Pressure medium actuated valve	—	1986-05-20
4490836	Shut-off valve	—	1984-12-25
4366833	Steam throttle valve	—	1983-01-04