How many patents does
Paul Wurth have?
patents
1,911
families
192
granted
500
applications
1,411
EP
223
CN
222
US
177
KR
148
WO
129
JP
59
RoW
953
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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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Paul Wurth
Top ten assignees appearing on patents
2009
| paul wurth | 155 |
| solvay pharmaceuticals | 8 |
| wurth paul s a | 4 |
| pol' vurt | 4 |
| h. lundbeck | 2 |
| bollwus company | 2 |
| wyeth | 1 |
| solvay pharm | 1 |
| sms demag | 1 |
Paul Wurth
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| a charging device for distributing bulk material | 27 | 2008 |
| method for feeding hot gas to a shaft furnace | 25 | 2009 |
| shaft furnace charging device equipped with a cooling system and annular swivel joint th… 🛈 | 24 | 2009 |
| method for feeding a burden to a blast furnace | 23 | 2009 |
| bustle pipe arrangement | 23 | 2009 |
| method for operating a regenerative heater | 22 | 2009 |
| method of operating regenerative heaters in blast furnace plant | 22 | 2011 |
| method for feeding a burden to a blast furnace | 22 | 2009 |
| method and system for adjusting the flow rate of charge material in a charging process o… 🛈 | 21 | 2009 |
| sealing valve arrangement for a shaft furnace charging installation | 21 | 2009 |