Inventor
Stefan Freitag
Inventor
Hamburg, DE
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC14primary
LOC1423%
LOC2818%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material9%
G06FElectric digital data processing9%
G01BMeasuring length, thickness or similar linear dimensions5%
G06TImage data processing or generation, in general5%
H01HElectric switches5%
H02HEmergency protective circuit arrangements5%
H02JElectric power networks5%
LOC105%
PatentTitleYear
D0770317'LED lights'20169,174,258'Apparatus and process for forming profiles with a variable height by means of cold rolling'20159,127,936'Calibration of laser light section sensors during simultaneous measurement'20159,056,345'Method and profiling installation for roll forming a sheet metal'20158,214,423'CAD system'2012D0640002'Hair drying hood'2011D0629968'Hair drying hood'2010D0622444'Hair drying hood'2010D0622445'Hair drying hood'2010D0571404'Roller dispenser'20087,069,192'CAD system'2006D0459347'Portable computer and connector port'2002D0458923'Portable computer'2002D0458600'Portable computer and docking station'2002D0455432'Docking station for a portable computer'2002D0455431'Connector port for a portable computer'20025,654,625'Switching circuit for a reactive power compensation device having synchronized on and off switching'19975,642,025'Process and apparatus for the reduction of surges in switch-on current in the operation of a rotary current load'19975,615,317'Method for blending edges of a geometric object in a computer-aided design system'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2012Patents assigned to HEWLETT PACKARD CO (3)· patent assignee history
1997–2006Based in Nufringen, DE· patent location history
1997Based in Freiburg, DE· patent location history
2002Patents assigned to XYBERNAUT CORP (5)· patent assignee history
2002Based in Muenster, DE· patent location history
2008–2016Based in Hamburg, DE· patent location history
2010–2011Patents assigned to WELLA AG (4)· patent assignee history
2012–2015Patents assigned to FREITAG STEFAN (4)· patent assignee history
2015Patents assigned to SEDLMAIER ALBERT (3)· patent assignee history
2015Based in Sauerlach, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XYBERNAUT CORP | 5 | 2002 |
| FREITAG STEFANself | 4 | 2012–2015 |
| WELLA AG | 4 | 2010–2011 |
| HEWLETT PACKARD CO | 3 | 1997–2012 |
| SEDLMAIER ALBERT | 3 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamburg, DE | 6 | 2008–2016 |
| Muenster, DE | 5 | 2002 |
| Sauerlach, DE | 3 | 2015 |
| Nufringen, DE | 2 | 1997–2006 |
| Freiburg, DE | 2 | 1997 |