How many patents does
Schwihag have?
patents
271
families
30
granted
68
applications
203
EP
44
CN
24
US
21
WO
10
JP
9
KR
7
GB
4
RoW
152
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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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Schwihag
Top ten assignees appearing on patents
2009 - 2018
| schwihag | 220 |
| triple s | 7 |
| triples-systeme | 4 |
| shvikhag | 2 |
| schihag | 1 |
2009
| schwihag | 12 |
2018
| schwihag | 22 |
| triples-systeme | 4 |
Schwihag
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| plastic screw plug for attaching a rail to a sleeper | 36 | 2010 |
| rail-fastening system | 26 | 2011 |
| rail attachment system for junction areas | 21 | 2012 |
| roller device for a switch tongue | 21 | 2010 |
| rail fastening system | 19 | 2013 |
| rail fastening system | 17 | 2010 |
| hollow sleeper | 11 | 2006 |
| frog roller apparatus | 11 | 2012 |
| frictionally locking elastic rail attachment for track systems | 10 | 2007 |
| adjustment device in railroad switches | 10 | 2008 |