Hans Ott — 27 Patents at Gretag Aktiengesellschaft

Hans Ott has been granted 27 US patents while listed as an inventor at Gretag Aktiengesellschaft. The first was granted in 1983 and the most recent in August 2008. Hans Ott ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Hans Ott in Regensdorf, CH.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7414755	Color quality assessment and color control during color reproduction	—	2008-08-19	$1,187,000
7113281	Device for the pixel-by-pixel photoelectric measurement of a planar measured object	—	2006-09-26
7057727	Device for the pixel-by-pixel photoelectric measurement of a planar measured object	—	2006-06-06
6469804	Method of obtaining colorimetric values	Nikolaus Pfeiffer, Manfred Schneider	2002-10-22
6084693	Process and apparatus for the determination of halftone percentage values	Bruno Zimmermann, Thomas Senn	2000-07-04
6041708	Process and apparatus for controlling the inking process in a printing machine	Helmut Kipphan, Gerhard Loffler, Guido Keller	2000-03-28
6028682	Scanning device for pixel-by-pixel photoelectric measurement of a measured object	Kurt Ruegg	2000-02-22
6012390	Method for controlling the inking of a printing press by determining color value gradients	Kurt Ruegg	2000-01-11
5967033	Method of determining ink coverage in a print image	Nikolaus Pfeiffer, Manfred Schneider	1999-10-19
5957049	Method controlling ink application in a printing press	Harald Ammeter, Nikolaus Pfeiffer, Manfred Schneider	1999-09-28
5530563	Process and apparatus for the determination of halftone percentage values	Bruno Zimmermann, Thomas Senn	1996-06-25
D357695	Hand held unit for determining photometric data	—	1995-04-25
5206707	Apparatus for the analysis of print control fields	—	1993-04-27
5182721	Process and apparatus for controlling the inking process in a printing machine	Helmut Kipphan, Gerhard Loffler, Guido Keller	1993-01-26
5068810	Process for the determination of colorimetric differences between two screen pattern fields printed by a printing machine and process for the color control or ink regulation of the print of a printing machine	—	1991-11-26
4967379	Process for the ink control or regulation of a printing machine by comparing desired color to obtainable color data	—	1990-10-30
4961646	Manual device for the detection of optical reflection properties	Fortunat Schrammli, Markus Berner	1990-10-09
4856903	Electronic device for determining a register error in multi-color printing machines	Helmut Kipphan, Willi Jeschke, Jean-Pierre Graf	1989-08-15
4849423	Purine derivatives, medicaments containing them and methods of treating cardiac insufficiencies and irregularities with them.	—	1989-07-18
4671661	Process, apparatus and color measuring strip for evaluating print quality	—	1987-06-09
4665496	Process and apparatus for the evaluation of the printing quality of a printed product by an offset printing machine	—	1987-05-12
4660159	Process and apparatus for the regulation of ink feed controls in an offset printing machine	—	1987-04-21
4649502	Process and apparatus for evaluating printing quality and for regulating the ink feed controls in an offset printing machine	Guido Keller, Andreas Spiess, Rolf Boegli	1987-03-10
4645350	Densitometer	Markus Weidmann, Wilhelm Koch	1987-02-24
4505589	Process and apparatus for the colorimetric analysis of printed material	Rolf Boegli, Ulrich Birch, Helmut Kipphan, Gerhard Loffler	1985-03-19

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Hans Ott — 27 Patents

Issued Patents All Time

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