KH

Karl-Heinz Helmstadter

HD Heidelberg Druckmaschinen: 39 patents #8 of 1,510Top 1%
📍 Waibstadt, DE: #1 of 27 inventorsTop 4%
Overall (All Time): #83,453 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
6659446 Guiding and carrying elements with throttled blowing air Uwe Fischer, Eckart Frankenberger, Michael Gieser, Christian Gorbing, Peter Hachmann +3 more 2003-12-09
6640707 Device for guiding sheets in a sheet processing apparatus Eckart Frankenberger, Michael Gieser, Christian Gorbing, Peter Hachmann, Christian Hieb +2 more 2003-11-04
6622623 Method for conveying sheets in a printing machine and a device for carrying out the method Wolf Kesselhut 2003-09-23
6619199 Printing machine with torque compensation Michael Merz 2003-09-16
6612236 Sheet transport cylinder Eckart Frankenberger, Michael Gieser, Peter Hachmann, Christian Hieb, Ruben Schmitt +1 more 2003-09-02
6612237 Method of operating a sheet-fed rotary printing machine, and sheet-fed rotary printing machine Steffen Derhardt 2003-09-02
6612235 Sheet guiding device Eckart Frankenberger, Michael Gieser, Christian Gorbing, Peter Hachmann, Christian Hieb +2 more 2003-09-02
6561508 Device and method for transferring a sheet Raimund Schroder 2003-05-13
6105499 Transport drum in rotary printing presses Raimund Schroder 2000-08-22
6038976 Suction-air control device Raimund Schroder 2000-03-21
5988065 Device for controlling suction air or vacuum and method of actuating the device Raimund Schroder, Rudi Haupenthal, Hans-Peter Hiltwein, Roland Krupp 1999-11-23
5979318 Method and apparatus for smear-free guidance of a printed sheet on a sheet-guiding cylinder of a printing press 1999-11-09
5588773 Device for connecting a machine element to a structural member movable about its longitudinal axis so that the machine element and the structural member are secured against relative rotation Jens Friedrichs 1996-12-31
5335597 Method and device for starting and stopping a sheet turning operation and for format adjusting during sheet transport through a printing press 1994-08-09