Steffen Derhardt

Follow

Person

Heidelberg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Sheet-fed perfecting printing press without sheet reversal
- Patent number 8,833,255
- Issue date Sep 16, 2014
- Heidelberger Druckmaschinen AG
- Steffen Derhardt
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Rotary printing machine having a first gearwheel and a second gearw...
- Patent number 6,655,273
- Issue date Dec 2, 2003
- Heidelberger Druckmaschinen AG
- Wolfgang Bitterich
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method of operating a sheet-fed rotary printing machine, and sheet-...
- Patent number 6,612,237
- Issue date Sep 2, 2003
- Heidelberger Druckmaschinen AG
- Steffen Derhardt
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
PRINTING METHOD AND PERFECTING PRINTING PRESS FOR RECTO AND VERSO P...
- Publication number 20120272847
- Publication date Nov 1, 2012
- Heidelberger Druckmaschinen AG
- STEFFEN DERHARDT
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SHEET-FED PERFECTING PRINTING PRESS WITHOUT SHEET REVERSAL
- Publication number 20120118185
- Publication date May 17, 2012
- Heidelberger Druckmaschinen AG
- STEFFEN DERHARDT
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Device for throwing-on impression and throwing-off impression in a...
- Publication number 20060266238
- Publication date Nov 30, 2006
- Steffen Derhardt
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Rotary printing machine having a first gearwheel and a second gearw...
- Publication number 20020100380
- Publication date Aug 1, 2002
- Wolfgang Bitterich
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Method of operating a sheet-fed rotary printing machine, and sheet-...
- Publication number 20020073858
- Publication date Jun 20, 2002
- Steffen Derhardt
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS