Payload
-
Communications - and (aerostat or (communication
(repeater, relay, broadcast) -
Sensors - and ((sensor, detector, transducer)
((surveillance, spy, intelligence, (FLIR, RADAR, LIDAR))) - ELINT - and ((electronic intelligence), ELINT, (signal intelligence), SIGINT))))))
- Weaponry - and (armament, missile, weaponry, offensive, attack, munitions)
-
Cargo - and (payload
(cargo, freight, provisions)
Navigation
-
GPS - and (GPS, geoposition
satellite) -
Celestial - and (astrolabe, sextant, octant, navigation
(celestial, astral, sighting, stellar)) -
Geographical - and ((terrain following), (navigation
(terrain, landmark, map, geography)) -
Autonomous - and ((navigation, guide, steer)
(independent, autonomous))) -
Radio-Control - and ((control
(radio, wireless)
Propulsion and Lift
-
Jet - and ((power, propulsion)
(jet, turbojet)) - Rocket - Rocket powered flight
- Propeller - propeller or airscrew
-
Fixed Wing - and ((fixed wing), (swing wing), (high wing), (single, dual)
wing, canard, (delta wing) ) - Rotory - and ((rotary wing), helicopter, heliocopter, rotor, gyrocopter, autogyro)
- Lighter than Air - and ((airship, (air ship), gasbag, (gas bag), helium, hydrogen, dirigible, blimp, zeppelin, balloon, inflate)
| Payload | Navigation | Propulsion and Lift | |||||||||||||||
| Issue | Number of Patents | Communications | Sensors | ELINT | Weaponry | Cargo | GPS | Celestial | Geographical | Autonomous | Radio-Control | Jet | Rocket | Propeller | Fixed Wing | Rotory | Lighter than Air |
| LOADING... (if you receive a warning 'restricted from running scripts' please 'Allow blocked content') | |||||||||||||||||
| Limit Display -> | |||||||||||||||||
| 1971 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1972 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 |
| 1973 | 6 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 1 |
| 1974 | 5 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 0 |
| 1975 | 3 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 1976 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 0 |
| 1977 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1978 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 1980 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 |
| 1981 | 6 | 0 | 0 | 0 | 4 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 |
| 1982 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1983 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1984 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
| 1985 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 |
| 1987 | 5 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 1 | 0 | 0 | 0 |
| 1988 | 5 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 2 | 2 | 0 | 0 | 1 |
| 1989 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 0 |
| 1990 | 5 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 |
| 1991 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| 1992 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 0 | 0 | 1 |
| 1993 | 4 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 |
| 1994 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 1995 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 |
| 1996 | 7 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 2 | 1 |
| 1997 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 1 | 0 | 1 |
| 1998 | 8 | 0 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 2 | 1 |
| 1999 | 6 | 2 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 1 | 0 |
| 2000 | 11 | 0 | 2 | 1 | 1 | 0 | 5 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 2 | 1 | 1 |
| 2001 | 13 | 1 | 0 | 0 | 0 | 0 | 3 | 2 | 2 | 1 | 0 | 0 | 2 | 2 | 1 | 3 | 1 |
| 2002 | 22 | 2 | 3 | 0 | 3 | 1 | 5 | 1 | 0 | 0 | 3 | 3 | 3 | 3 | 1 | 5 | 2 |
| 2003 | 25 | 2 | 1 | 1 | 3 | 2 | 8 | 2 | 0 | 1 | 6 | 3 | 2 | 2 | 1 | 5 | 2 |
| 2004 | 24 | 10 | 3 | 0 | 8 | 1 | 4 | 1 | 10 | 2 | 3 | 2 | 1 | 1 | 2 | 2 | 0 |
| 2005 | 33 | 7 | 4 | 2 | 5 | 2 | 6 | 1 | 3 | 2 | 7 | 5 | 3 | 2 | 5 | 5 | 2 |
| 2006 | 30 | 6 | 2 | 0 | 4 | 2 | 6 | 2 | 4 | 0 | 5 | 2 | 2 | 2 | 4 | 4 | 2 |
| 2007 | 20 | 3 | 2 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 4 | 4 | 2 |
| 2008 | 11 | 2 | 1 | 0 | 2 | 1 | 3 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| 2009 | 11 | 1 | 0 | 0 | 1 | 0 | 5 | 1 | 0 | 0 | 1 | 2 | 1 | 1 | 1 | 3 | 1 |
| 2010 | 7 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2011 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 0 |
| 2012 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2015 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No Issue | 32 | 5 | 1 | 0 | 4 | 2 | 0 | 1 | 2 | 6 | 2 | 7 | 3 | 3 | 0 | 9 | 3 |
| Total | 51 | 26 | 8 | 59 | 19 | 57 | 38 | 30 | 17 | 53 | 58 | 36 | 36 | 30 | 76 | 34 | |