MR

Michael Rolfes

VK Vogelsang Gmbh & Co Kg: 3 patents #3 of 16Top 20%
EQ Equipmount: 1 patents #11 of 22Top 50%
📍 Bridgeton, MO: #10 of 97 inventorsTop 15%
🗺 Missouri: #4,278 of 23,789 inventorsTop 20%
Overall (All Time): #936,578 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12129851 Eccentric screw pump with working engagement and idle engagement and method for controlling the eccentric screw pump Paul Krampe 2024-10-29
11841016 Rotor for an eccentric screw pump and method for the manufacture thereof Peter Hartogh, Hugo Vogelsang 2023-12-12
D960203 Pump for liquids 2022-08-09
11286928 Controlling the gap geometry in an eccentric screw pump Paul Krampe 2022-03-29
6586913 Automatic battery charger with voltage controlled charging and ripple voltage test 2003-07-01