How many patents does
Ahlstrom Corporation have?
patents
578
families
76
granted
134
applications
444
US
104
EP
98
WO
59
CN
50
KR
26
JP
14
RoW
227
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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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Ahlstrom Corporation
Top ten assignees appearing on patents
2009 - 2018
Ahlstrom Corporation
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| support a base de fibres cellulosiques contenant une couche de pva modifie - procede d'e… 🛈 | 48 | 2010 |
| a unidirectional reinforcement and a method of producing a unidirectional reinforcement | 42 | 2012 |
| gypsum board suitable for wet or humid areas | 22 | 2012 |
| separation media and methods especially useful for separating water-hydrocarbon emulsion… 🛈 | 20 | 2009 |
| fibre-based support containing a layer of a functionalized water-soluble polymer, method… 🛈 | 18 | 2011 |
| mat and gypsum boards suitable for wet or humid areas | 16 | 2014 |
| a unidirectional reinforcement, a method of producing a unidirectional reinforcement and… 🛈 | 16 | 2013 |
| coalescence media for separation of water-hydrocarbon emulsions | 16 | 2008 |
| self supporting pleatable web and an oil filter including the same | 15 | 2014 |
| high cellulose content, laminiferous nonwoven fabric | 13 | 2009 |