| Technical fields | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 |
| 12-07 |
|
|
|
|
| 1 | 1 | 6 | 8 | 20 | 24 | 59 |
| B |
|
|
|
|
| 1 | 0 | 1 | 2 | 5 | 8 | 55 |
| G05D1/10 |
|
|
|
|
|
|
|
| 9 | 26 | 12 | 17 |
| B64D47/08 |
|
|
|
|
|
|
| 2 | 2 | 6 | 7 | 36 |
| B64D1/18 |
|
|
|
|
|
| 1 | 0 | 1 | 5 | 13 | 25 |
| B |
|
|
| 1 | 0 | 1 | 0 | 0 | 6 | 6 | 10 | 18 |
| B64D47/00 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 2 | 5 | 5 | 20 |
| B |
|
|
|
|
|
|
| 2 | 1 | 3 | 5 | 21 |
| B |
|
|
| 1 | 0 | 0 | 0 | 0 | 4 | 4 | 8 | 13 |
| H |
|
|
|
|
|
| 4 | 3 | 5 | 4 | 5 | 6 |