How many patents does
Ewald Doerken have?
patents
418
families
103
granted
95
applications
323
EP
99
US
69
WO
40
CN
13
KR
11
JP
5
RoW
181
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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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Ewald Doerken
Top ten assignees appearing on patents
2009 - 2018
| ewald doerken | 357 |
| doerken ewald | 7 |
| cosella-doerken products | 1 |
2009
| ewald doerken | 35 |
| doerken ewald | 1 |
2018
| ewald doerken | 25 |
Ewald Doerken
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for adjusting the friction coefficient of a metallic workpiece | 20 | 2008 |
| method for producing a functional layer of a building shell, and building shell and func… 🛈 | 14 | 2009 |
| method for applying at least one anti-corrosive, liquid coating agent comprising metal p… 🛈 | 12 | 2009 |
| weldable corrosion protection agent and binding agent | 12 | 2005 |
| sheet material for the building sector and composite sheet-material arrangement | 12 | 2007 |
| anticorrosive coating composition | 11 | 2015 |
| method for the manufacture of a substrate provided with a chromium vi-free and cobalt-fr… 🛈 | 10 | 2014 |
| use of a roofing underlay in a steep-pitched roof with adjacent roof surfaces | 9 | 2014 |
| method for producing an adhesive connection between a workpiece having a metal surface a… 🛈 | 9 | 2010 |
| web and adhesive strip | 8 | 2006 |