HF

Hans-Joachim Freitag

DG Dr. Johannes Heidenhain Gmbh: 5 patents #69 of 417Top 20%
JG Johannes Heidenhain Gmbh: 3 patents #11 of 95Top 15%
CG Carl Zeiss Jena Gmbh: 2 patents #83 of 374Top 25%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Erfurt, DE: #7 of 219 inventorsTop 4%
Overall (All Time): #276,117 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
9808187 Measuring chamber for an optical sensor for determining a concentration of a substance in the tissue fluid of a mammal 2017-11-07
9513485 Method for producing optical beam splitter cubes 2016-12-06
8213013 Substance concentration sensor and production method therefor Kai-Uwe Zirk 2012-07-03
7373852 Protected length measuring system Ludwig Boge, Heinz-Gunther Franz, Andreas Schmidt 2008-05-20
7347001 Pre-mounting of a sensor Ludwig Boge, Heinz-Gunther Franz, Andreas Schmidt 2008-03-25
7188433 Sensor and method of mounting it Ludwig Boge, Heinz-Gunther Franz, Andreas Schmidt 2007-03-13
6904695 Position measuring system and method for the assembly thereof Heinz-Guenther Franz, Andreas Schmidt 2005-06-14
6889151 Method and device for conditioning a periodic analog signal Heinz-Gunther Franz, Andreas Schmidt 2005-05-03
6662131 Method and device for conditioning a periodic analog signal Heinz-Gunther Franz, Andreas Schmidt 2003-12-09
6442861 Position measuring device Ludwig Boge 2002-09-03
6293021 Process for arranging an angle scale on an index disk for rotational measurement systems and an index disk with angle scale for rotational measurement systems Heinz-Guenther Franz 2001-09-25
6108925 Length measurement system 2000-08-29
6105271 Arrangement for accommodating a scale in a positive engagement Ludwig Boege 2000-08-22
6049992 Method and device for directed mounting of a measurement strip Ludwig Boege, Robert Stelzner 2000-04-18
5987768 Arrangement for fastening a length measurement device Ludwig Boege 1999-11-23
5979238 Strip-shaped resiliently flexible measuring tape for length--or angle-measuring devices Ludwig Boege 1999-11-09
5924214 Length measuring apparatus for measuring the relative position of two objects Ludwig Boege 1999-07-20