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[Search a list of Patent Appplications for class 244]  Class   244AERONAUTICS AND ASTRONAUTICS
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   [List of Patents for class 244 subclass 1R]  1R           MISCELLANEOUS
    [List of Patents for class 244 subclass 1N]  1N           Subclass 1N indent level is 1 Noise abatement
    [List of Patents for class 244 subclass 1A]  1A           Subclass 1A indent level is 1 Lightning arresters and static eliminators
    [List of Patents for class 244 subclass 1TD]  1TD           Subclass 1TD indent level is 1 Trailing devices
   [List of Patents for class 244 subclass 2]  2           COMPOSITE AIRCRAFT
    [List of Patents for class 244 subclass 3]  3           Subclass 3 indent level is 1 Trains
   [List of Patents for class 244 subclass 3.1]  3.1           MISSILE STABILIZATION OR TRAJECTORY CONTROL
   [List of Patents for class 244 subclass 3.11]  3.11           Subclass 3.11 indent level is 1 Remote control
    [List of Patents for class 244 subclass 3.12]  3.12           Subclass 3.12 indent level is 2 Trailing wire
    [List of Patents for class 244 subclass 3.13]  3.13           Subclass 3.13 indent level is 2 Beam rider
    [List of Patents for class 244 subclass 3.14]  3.14           Subclass 3.14 indent level is 2 Radio wave
   [List of Patents for class 244 subclass 3.15]  3.15           Subclass 3.15 indent level is 1 Automatic guidance
   [List of Patents for class 244 subclass 3.16]  3.16           Subclass 3.16 indent level is 2 Optical (includes infrared)
    [List of Patents for class 244 subclass 3.17]  3.17           Subclass 3.17 indent level is 3 Optical correlation
    [List of Patents for class 244 subclass 3.18]  3.18           Subclass 3.18 indent level is 3 Celestial navigation
    [List of Patents for class 244 subclass 3.19]  3.19           Subclass 3.19 indent level is 2 Radio wave
    [List of Patents for class 244 subclass 3.2]  3.2           Subclass 3.2 indent level is 2 Inertial
   [List of Patents for class 244 subclass 3.21]  3.21           Subclass 3.21 indent level is 2 Attitude control mechanisms
    [List of Patents for class 244 subclass 3.22]  3.22           Subclass 3.22 indent level is 3 Fluid reaction type
    [List of Patents for class 244 subclass 3.23]  3.23           Subclass 3.23 indent level is 1 Stabilized by rotation
   [List of Patents for class 244 subclass 3.24]  3.24           Subclass 3.24 indent level is 1 Externally mounted stabilizing appendage (e.g., fin)
    [List of Patents for class 244 subclass 3.25]  3.25           Subclass 3.25 indent level is 2 Removable
    [List of Patents for class 244 subclass 3.26]  3.26           Subclass 3.26 indent level is 2 Sliding
   [List of Patents for class 244 subclass 3.27]  3.27           Subclass 3.27 indent level is 2 Collapsible
    [List of Patents for class 244 subclass 3.28]  3.28           Subclass 3.28 indent level is 3 Longitudinally rotating
    [List of Patents for class 244 subclass 3.29]  3.29           Subclass 3.29 indent level is 3 Radially rotating
    [List of Patents for class 244 subclass 3.3]  3.3           Subclass 3.3 indent level is 2 Extending beyond rear of missile
   [List of Patents for class 244 subclass 158.1]  158.1           SPACECRAFT
    [List of Patents for class 244 subclass 158.2]  158.2           Subclass 158.2 indent level is 1 Tethered
    [List of Patents for class 244 subclass 158.3]  158.3           Subclass 158.3 indent level is 1 Inflated
   [List of Patents for class 244 subclass 158.4]  158.4           Subclass 158.4 indent level is 1 Spacecraft formation, orbit, or interplanetary path
    [List of Patents for class 244 subclass 158.5]  158.5           Subclass 158.5 indent level is 2 Orbit insertion
   [List of Patents for class 244 subclass 158.6]  158.6           Subclass 158.6 indent level is 2 Orbital control
    [List of Patents for class 244 subclass 158.7]  158.7           Subclass 158.7 indent level is 3 Aerobraking
    [List of Patents for class 244 subclass 158.8]  158.8           Subclass 158.8 indent level is 3 Automatic
   [List of Patents for class 244 subclass 158.9]  158.9           Subclass 158.9 indent level is 1 Reusable or returnable
   [List of Patents for class 244 subclass 159.1]  159.1           Subclass 159.1 indent level is 2 With reentry shield
    [List of Patents for class 244 subclass 159.2]  159.2           Subclass 159.2 indent level is 3 Inflatable
    [List of Patents for class 244 subclass 159.3]  159.3           Subclass 159.3 indent level is 2 Having aerodynamic lifting body (e.g., Space Shuttle)
   [List of Patents for class 244 subclass 159.4]  159.4           Subclass 159.4 indent level is 1 Modular and assembled in space
    [List of Patents for class 244 subclass 159.5]  159.5           Subclass 159.5 indent level is 2 Foldable
    [List of Patents for class 244 subclass 159.6]  159.6           Subclass 159.6 indent level is 2 Including use of launch vehicle part
   [List of Patents for class 244 subclass 164]  164           Subclass 164 indent level is 1 Attitude control
    [List of Patents for class 244 subclass 165]  165           Subclass 165 indent level is 2 By gyroscope or flywheel
    [List of Patents for class 244 subclass 166]  166           Subclass 166 indent level is 2 By magnetic effect
    [List of Patents for class 244 subclass 167]  167           Subclass 167 indent level is 2 By gravity gradient
    [List of Patents for class 244 subclass 168]  168           Subclass 168 indent level is 2 By solar pressure
    [List of Patents for class 244 subclass 169]  169           Subclass 169 indent level is 2 By jet motor
    [List of Patents for class 244 subclass 170]  170           Subclass 170 indent level is 2 By nutation damper
    [List of Patents for class 244 subclass 171]  171           Subclass 171 indent level is 2 With attitude sensor means
   [List of Patents for class 244 subclass 171.1]  171.1           Subclass 171.1 indent level is 1 With propulsion
    [List of Patents for class 244 subclass 171.2]  171.2           Subclass 171.2 indent level is 2 Steerable mount
   [List of Patents for class 244 subclass 171.3]  171.3           Subclass 171.3 indent level is 2 Launch from surface to orbit
    [List of Patents for class 244 subclass 171.4]  171.4           Subclass 171.4 indent level is 3 Horizontal launch
    [List of Patents for class 244 subclass 171.5]  171.5           Subclass 171.5 indent level is 2 Without mass expulsion
    [List of Patents for class 244 subclass 171.6]  171.6           Subclass 171.6 indent level is 1 Having launch pad cooperating structure
   [List of Patents for class 244 subclass 171.7]  171.7           Subclass 171.7 indent level is 1 With shield or other protective means (e.g., meteorite shield, insulation, radiation/plasma shield)
    [List of Patents for class 244 subclass 171.8]  171.8           Subclass 171.8 indent level is 2 Active thermal control
   [List of Patents for class 244 subclass 171.9]  171.9           Subclass 171.9 indent level is 1 With special crew accommodations
    [List of Patents for class 244 subclass 172.1]  172.1           Subclass 172.1 indent level is 2 Emergency rescue means (e.g., escape pod)
   [List of Patents for class 244 subclass 172.2]  172.2           Subclass 172.2 indent level is 1 With fuel system details
    [List of Patents for class 244 subclass 172.3]  172.3           Subclass 172.3 indent level is 2 Fuel tank arrangement
   [List of Patents for class 244 subclass 172.4]  172.4           Subclass 172.4 indent level is 1 Rendezvous or docking
    [List of Patents for class 244 subclass 172.5]  172.5           Subclass 172.5 indent level is 2 Including satellite servicing
    [List of Patents for class 244 subclass 172.6]  172.6           Subclass 172.6 indent level is 1 With deployable appendage
   [List of Patents for class 244 subclass 172.7]  172.7           Subclass 172.7 indent level is 1 With solar panel
    [List of Patents for class 244 subclass 172.8]  172.8           Subclass 172.8 indent level is 2 Having solar concentrator
    [List of Patents for class 244 subclass 172.9]  172.9           Subclass 172.9 indent level is 2 Having launch hold down means
   [List of Patents for class 244 subclass 173.1]  173.1           Subclass 173.1 indent level is 1 With payload accommodation
    [List of Patents for class 244 subclass 173.2]  173.2           Subclass 173.2 indent level is 2 Including vibration control
    [List of Patents for class 244 subclass 173.3]  173.3           Subclass 173.3 indent level is 2 And payload deployment
   [List of Patents for class 244 subclass 4R]  4R           AIRCRAFT, HEAVIER-THAN-AIR
    [List of Patents for class 244 subclass 5]  5           Subclass 5 indent level is 1 Airplanes, weight diminished by bouyant gas
   [List of Patents for class 244 subclass 6]  6           Subclass 6 indent level is 1 Airplane and helicopter sustained
   [List of Patents for class 244 subclass 7R]  7R           Subclass 7R indent level is 2 Convertible
    [List of Patents for class 244 subclass 7A]  7A           Subclass 7A indent level is 3 Rotary wing
    [List of Patents for class 244 subclass 7B]  7B           Subclass 7B indent level is 3 Tail sitters
    [List of Patents for class 244 subclass 7C]  7C           Subclass 7C indent level is 3 Tilting wing
    [List of Patents for class 244 subclass 8]  8           Subclass 8 indent level is 1 Airplane and auto-rotating wing sustained
    [List of Patents for class 244 subclass 9]  9           Subclass 9 indent level is 1 Airplane and paddle wheel sustained
    [List of Patents for class 244 subclass 10]  10           Subclass 10 indent level is 1 Airplane and cylindrical rotor sustained
    [List of Patents for class 244 subclass 11]  11           Subclass 11 indent level is 1 Airplane and beating wing sustained
   [List of Patents for class 244 subclass 12.1]  12.1           Subclass 12.1 indent level is 1 Airplane and fluid sustained
    [List of Patents for class 244 subclass 12.2]  12.2           Subclass 12.2 indent level is 2 Circular
    [List of Patents for class 244 subclass 12.3]  12.3           Subclass 12.3 indent level is 2 Dual propulsion
    [List of Patents for class 244 subclass 12.4]  12.4           Subclass 12.4 indent level is 2 Thrust tilting
    [List of Patents for class 244 subclass 12.5]  12.5           Subclass 12.5 indent level is 2 With thrust diverting
    [List of Patents for class 244 subclass 12.6]  12.6           Subclass 12.6 indent level is 2 Channel wing
   [List of Patents for class 244 subclass 13]  13           Subclass 13 indent level is 1 Airplane sustained
    [List of Patents for class 244 subclass 14]  14           Subclass 14 indent level is 2 Aerial torpedoes
    [List of Patents for class 244 subclass 15]  15           Subclass 15 indent level is 2 Fluid propelled
    [List of Patents for class 244 subclass 16]  16           Subclass 16 indent level is 2 Glider
   [List of Patents for class 244 subclass 17.11]  17.11           Subclass 17.11 indent level is 1 Helicopter or auto-rotating wing sustained, i.e., gyroplanes
    [List of Patents for class 244 subclass 17.13]  17.13           Subclass 17.13 indent level is 2 Automatic or condition responsive control
    [List of Patents for class 244 subclass 17.15]  17.15           Subclass 17.15 indent level is 2 With safety lowering device
    [List of Patents for class 244 subclass 17.17]  17.17           Subclass 17.17 indent level is 2 With landing, mooring, or nonaerial propelling or steering gear
   [List of Patents for class 244 subclass 17.19]  17.19           Subclass 17.19 indent level is 2 With auxiliary propulsion, counter-troque or steering device
    [List of Patents for class 244 subclass 17.21]  17.21           Subclass 17.21 indent level is 3 Auxiliary rotor
    [List of Patents for class 244 subclass 17.23]  17.23           Subclass 17.23 indent level is 2 Having plural lifting rotors
    [List of Patents for class 244 subclass 17.25]  17.25           Subclass 17.25 indent level is 2 Lifting rotor having lift direction varying means
    [List of Patents for class 244 subclass 17.27]  17.27           Subclass 17.27 indent level is 2 Lifting rotor supports, e.g., pylons
   [List of Patents for class 244 subclass 19]  19           Subclass 19 indent level is 1 Paddle wheel sustained
    [List of Patents for class 244 subclass 20]  20           Subclass 20 indent level is 2 Feathering
    [List of Patents for class 244 subclass 21]  21           Subclass 21 indent level is 1 Cylindrical rotor sustained
    [List of Patents for class 244 subclass 22]  22           Subclass 22 indent level is 1 Beating wing sustained
   [List of Patents for class 244 subclass 23R]  23R           Subclass 23R indent level is 1 Fluid sustained
    [List of Patents for class 244 subclass 23A]  23A           Subclass 23A indent level is 2 Lifting thrusters
    [List of Patents for class 244 subclass 23B]  23B           Subclass 23B indent level is 2 Dual propulsion means, horizontal and vertical
    [List of Patents for class 244 subclass 23C]