MD

Michael Derksen

DK Dr. Herfeld Gmbh & Co. Kg: 3 patents #3 of 9Top 35%
📍 Lüdenscheid, DE: #23 of 115 inventorsTop 20%
Overall (All Time): #1,295,171 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5358332 Mixing device having axially adjustable mixing blades Norbert Siegmund 1994-10-25
5123747 Clamping and aligning means for a mixer 1992-06-23
5054933 Mixing device with means to introduce and extract gaseous material Joachim Domke 1991-10-08
4957373 Method and apparatus for mixing bulk materials in powdered or granular form Joachim Domke 1990-09-18