How many patents does
Wintershall Holding have?
patents
434
families
95
granted
55
applications
379
EP
78
WO
73
US
67
CN
26
KR
7
JP
6
RoW
177
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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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Wintershall Holding
Top ten assignees appearing on patents
2009 - 2018
| wintershall holding | 340 |
| siemens | 51 |
| basf (badische anilin & soda fabri… 🛈 | 43 |
| wacker, bernd | 5 |
| basf schweiz | 3 |
| witershall holding | 1 |
| elektro-thermit | 1 |
2009
Wintershall Holding
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for producing homopolysaccharides | 18 | 2009 |
| purification of storage facility water | 13 | 2013 |
| use of tris(2-hydroxyphenyl)methane derivatives for tertiary petroleum production | 13 | 2011 |
| method for extracting crude oil from crude oil reservoirs with a high reservoir temperat… 🛈 | 13 | 2011 |
| process for the fermentation of fungal strains | 12 | 2014 |
| method for dissolving deposits containing alkaline earth metal sulphates | 11 | 2012 |
| genetically modified microorganisms capable of producing beta-glucans and methods for pr… 🛈 | 11 | 2012 |
| method for the recovery of petroleum from petroleum deposits having heterogeneous permea… 🛈 | 11 | 2012 |
| derivatives of tris(2-hydroxyphenyl)methanes, the production thereof and use thereof for… 🛈 | 11 | 2011 |
| fermenter for producing a pseudoplastic medium | 11 | 2015 |