How many patents does
Tellhow Sci-Tech Company have?
patents
508
families
474
granted
41
applications
467
CN
508
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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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Tellhow Sci-Tech Company
Top ten assignees appearing on patents
2009 - 2018
| tellhow sci-tech company | 498 |
| beijing tellhow intelligent scienc… 🛈 | 1 |
2009
| tellhow sci-tech company | 68 |
2018
Tellhow Sci-Tech Company
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| self-making device of whole rotor winding of high-power generator | 2 | 2010 |
| seventh-harmonic excitation brushless synchronous generator | 2 | 2014 |
| method for measuring arbitrary waveform estimated based on synchronous lock phase and ha… 🛈 | 2 | 2010 |
| low temperature type temperature-adjustment dehumidifier defrosting by using heat pump | 2 | 2008 |
| electric and turbo double-intake supercharging device for engine | 2 | 2008 |
| non-contact clutch | 2 | 2009 |
| high-reliability data centre diesel generating set | 2 | 2015 |
| two-phase medium frequency commutator generator | 2 | 2009 |
| heat recovery type full fresh air cooled dehumidifier | 2 | 2010 |
| method for regulating voltage of single phase synchronous generator in a wide-range cont… 🛈 | 2 | 2009 |