RW

Roger Willis

Eastman Kodak: 4 patents #2,416 of 8,114Top 30%
NG Netzsch Pumpen & Systeme Gmbh: 4 patents #13 of 61Top 25%
📍 Mühldorf a. Inn, NY: #1 of 1 inventorsTop 100%
Overall (All Time): #642,521 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9617992 Rotary piston pump with optimised inlets and outlets Stefan Weigl, Reinhard Denk, Hisham Kamal, Josef Strassl, Robert Kurz +10 more 2017-04-11
9617995 Rotary piston pump with slip ring seals for improved fitting and synchronization of rotary pistons Stefan Weigl, Reinhard Denk, Hisham Kamal, Josef Strassl, Robert Kurz +11 more 2017-04-11
9611850 Method and device for fixing and synchronizing rotary pistons in a rotary piston pump Stefan Weigl, Reinhard Denk, Hisham Kamal, Josef Strassl, Robert Kurz +10 more 2017-04-04
9028233 Rotary piston pump and method for operating a rotary piston pump Hans Juergen Linde, Bernhard Murrenhoff, Robert Kurz, Reinhard Denk, Josef Strassl +12 more 2015-05-12
5680167 Printing apparatus and method for tri-level color imaging 1997-10-21
5040003 Method and apparatus for recording color with plural printheads 1991-08-13
4893926 Focusing for optical print heads 1990-01-16
4204140 Safety circuit for electronic flash apparatus 1980-05-20