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Hans-Joachim Freitag
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Jena, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Measuring chamber for an optical sensor for determining a concentra...
Patent number
9,808,187
Issue date
Nov 7, 2017
Schildtec GmbH
Hans-Joachim Freitag
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for producing optical beam splitter cubes
Patent number
9,513,485
Issue date
Dec 6, 2016
Schildtec GmbH
Hans-Joachim Freitag
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Substance concentration sensor and production method therefor
Patent number
8,213,013
Issue date
Jul 3, 2012
SES-Entwicklung GmbH
Kai-Uwe Zirk
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Protected length measuring system
Patent number
7,373,852
Issue date
May 20, 2008
Dr. Johannes Heidenhain GmbH
Ludwig Boge
G01 - MEASURING TESTING
Information
Patent Grant
Pre-mounting of a sensor
Patent number
7,347,001
Issue date
Mar 25, 2008
Dr. Johannes Heidenhain GmbH
Ludwig Boge
G01 - MEASURING TESTING
Information
Patent Grant
Sensor and method of mounting it
Patent number
7,188,433
Issue date
Mar 13, 2007
Optolab Licensing GmbH
Ludwig Boge
G01 - MEASURING TESTING
Information
Patent Grant
Position measuring system and method for the assembly thereof
Patent number
6,904,695
Issue date
Jun 14, 2005
Optolab Licensing GmbH
Hans-Joachim Freitag
G01 - MEASURING TESTING
Information
Patent Grant
Method and device for conditioning a periodic analog signal
Patent number
6,889,151
Issue date
May 3, 2005
Optolab Licensing GmbH
Hans-Joachim Freitag
G01 - MEASURING TESTING
Information
Patent Grant
Method and device for conditioning a periodic analog signal
Patent number
6,662,131
Issue date
Dec 9, 2003
Optolab Licensing GmbH
Hans-Joachim Freitag
G01 - MEASURING TESTING
Information
Patent Grant
Position measuring device
Patent number
6,442,861
Issue date
Sep 3, 2002
Dr. Johannes Heindenhain GmbH
Ludwig Böge
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Process for arranging an angle scale on an index disk for rotationa...
Patent number
6,293,021
Issue date
Sep 25, 2001
Johannes Heidenhain GmbH
Hans-Joachim Freitag
G01 - MEASURING TESTING
Information
Patent Grant
Length measurement system
Patent number
6,108,925
Issue date
Aug 29, 2000
Dr. Johannes Heidenhain GmbH
Hans-Joachim Freitag
G01 - MEASURING TESTING
Information
Patent Grant
Arrangement for accommodating a scale in a positive engagement
Patent number
6,105,271
Issue date
Aug 22, 2000
Johannes Heidenhain GmbH
Hans-Joachim Freitag
G01 - MEASURING TESTING
Information
Patent Grant
Method and device for directed mounting of a measurement strip
Patent number
6,049,992
Issue date
Apr 18, 2000
Johannes Heidenhain GmbH
Hans-Joachim Freitag
G01 - MEASURING TESTING
Information
Patent Grant
Arrangement for fastening a length measurement device
Patent number
5,987,768
Issue date
Nov 23, 1999
Carl Zeiss Jena GmbH
Hans-Joachim Freitag
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Strip-shaped resiliently flexible measuring tape for length--or ang...
Patent number
5,979,238
Issue date
Nov 9, 1999
Carl Zeiss Jena GmbH
Ludwig Boege
G01 - MEASURING TESTING
Information
Patent Grant
Length measuring apparatus for measuring the relative position of t...
Patent number
5,924,214
Issue date
Jul 20, 1999
Dr. Johannes Heidenhain GmbH
Ludwig Boege
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING OPTICAL BEAM SPLITTER CUBES
Publication number
20150362738
Publication date
Dec 17, 2015
Schildtec GmbH
Hans-Joachim FREITAG
G02 - OPTICS
Information
Patent Application
MEASURING CHAMBER FOR AN OPTICAL SENSOR FOR DETERMINING A CONCENTRA...
Publication number
20140350363
Publication date
Nov 27, 2014
Hans-Joachim Freitag
G01 - MEASURING TESTING
Information
Patent Application
SUBSTANCE CONCENTRATION SENSOR AND PRODUCTION METHOD THEREFOR
Publication number
20100134798
Publication date
Jun 3, 2010
Kai-Uwe Zirk
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Protected length measuring system
Publication number
20060162473
Publication date
Jul 27, 2006
Ludwig Boge
G01 - MEASURING TESTING
Information
Patent Application
Pre-mounting of a sensor
Publication number
20060150430
Publication date
Jul 13, 2006
Ludwig Boge
G01 - MEASURING TESTING
Information
Patent Application
Sensor and method of mounting it
Publication number
20060021242
Publication date
Feb 2, 2006
Ludwig Boge
G01 - MEASURING TESTING
Information
Patent Application
Method and device for conditioning a periodic analog signal
Publication number
20040172208
Publication date
Sep 2, 2004
Hans-Joachim Freitag
G01 - MEASURING TESTING
Information
Patent Application
Position measuring system and method for the assembly thereof
Publication number
20040045182
Publication date
Mar 11, 2004
Hans-Joachim Freitag
G01 - MEASURING TESTING
Information
Patent Application
Method and device for conditioning a periodic analog signal
Publication number
20020097080
Publication date
Jul 25, 2002
Hans-Joachim Freitag
G01 - MEASURING TESTING
Information
Patent Application
POSITION MEASURING DEVICE
Publication number
20020066201
Publication date
Jun 6, 2002
Ludwig Boge
G01 - MEASURING TESTING