FH

Friedrich W. Herfeld

📍 Neuenrade, DE: #4 of 53 inventorsTop 8%
Overall (All Time): #893,864 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4930897 Mixer Ute Herfeld, heir 1990-06-05
4918665 Apparatus for mixing material 1990-04-17
4781468 Mixing apparatus 1988-11-01
4671666 Mixing device 1987-06-09
4372686 Double-cone rotating mixer 1983-02-08
4325515 Mixing apparatus and method for condensing, mixing and granulating thermoplastic materials 1982-04-20