GK

Guido Keller

GA Gretag Aktiengesellschaft: 4 patents #4 of 53Top 8%
HD Heidelberg Druckmaschinen: 3 patents #425 of 1,510Top 30%
TG Taprogge Gmbh: 2 patents #6 of 12Top 50%
GA Gretag Imaging Trading Ag: 2 patents #2 of 22Top 10%
GA Gretag Imaging Ag: 2 patents #8 of 51Top 20%
XG X-Rite Europe Gmbh: 1 patents #12 of 44Top 30%
SG Sterling Fluid Systems (Germany) Gmbh: 1 patents #5 of 9Top 60%
VG Vistaprint Schweiz Gmbh: 1 patents #35 of 77Top 50%
Overall (All Time): #352,310 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
8711399 Adaptive take-off strips for smoothing ink consumption Anna Maria Ayuso, Jonathan H. Chen, Ciaran Daly, Vyacheslav Nykyforov, Anatoliy V. Tsykora +2 more 2014-04-29
8678199 Filter for fluids Dietmar Altegoer, Dirk Trostmann 2014-03-25
8123047 Filter for fluids in conduits Dirk Trostmann 2012-02-28
7292354 Apparatus for photoelectric measurement of an original Fortunat Schrammli 2007-11-06
6629746 Reduction of artefacts in reproduced images Stephan Waldner, Armin Kundig 2003-10-07
6626110 Apparatus for printing on sheet material 2003-09-30
6359411 Displacement machine for compressible media Heiner Kösters 2002-03-19
6328540 Rotary piston compressor with an axial direction of delivery Heiner Kösters 2001-12-11
6204871 Recording drum arrangement Markus Landolt 2001-03-20
6041708 Process and apparatus for controlling the inking process in a printing machine Helmut Kipphan, Gerhard Loffler, Hans Ott 2000-03-28
5597105 Apparatus for buffering a variable length loop of strip material 1997-01-28
5182721 Process and apparatus for controlling the inking process in a printing machine Helmut Kipphan, Gerhard Loffler, Hans Ott 1993-01-26
4975862 Process and apparatus for the ink control of a printing machine Helmut Kipphan 1990-12-04
4649502 Process and apparatus for evaluating printing quality and for regulating the ink feed controls in an offset printing machine Andreas Spiess, Hans Ott, Rolf Boegli 1987-03-10