How many patents does
Freudenberg-Nok General Partnership have?
patents
285
families
111
granted
111
applications
174
US
168
EP
33
CN
20
JP
11
KR
6
WO
5
RoW
42
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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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Freudenberg-Nok General Partnership
Top ten assignees appearing on patents
Freudenberg-Nok General Partnership
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| pressure support for engine valve stem seals | 11 | 2013 |
| valve stem seal with gas relief features | 9 | 2007 |
| dynamic seal | 9 | 2005 |
| low load dual flap seal assembly | 8 | 2014 |
| bi-directional pattern for dynamic seals | 8 | 2006 |
| reduced inertia valve stem seal flange | 8 | 2009 |
| oil seal | 7 | 2014 |
| oil seal | 7 | 2014 |
| energy saving seal with main lip and dust lip hinge point | 7 | 2010 |
| oil seal | 7 | 2014 |