How many patents does
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen have?
patents
877
families
298
granted
444
applications
433
EP
211
CN
201
US
167
KR
15
JP
6
WO
3
GB
1
RoW
273
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen
Top ten assignees appearing on patents
2009
2018
| osram | 10 |
| osram opto semiconductors | 2 |
| ledvance | 1 |
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for recovery of rare earths from fluorescent lamps | 14 | 2006 |
| operating device and method for the combined operation of gas discharge lamps and semico… 🛈 | 11 | 2007 |
| a circuit for driving light sources and related method | 9 | 2006 |
| semiconductor light module | 9 | 2007 |
| led module | 9 | 2007 |
| illuminant and light source containing the same, and method for producing said illuminant | 9 | 2006 |
| circuit arrangement and method for operating a high-pressure discharge lamp | 8 | 2007 |
| lighting system and method for operating a lighting system | 8 | 2006 |
| high-voltage pulse generator and high-pressure discharge lamp comprising such a generator | 7 | 2007 |
| headlight lamp | 7 | 2005 |