Drilldown: Techtypes
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- Airplane (18)
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- Patents (17447)
- Person (2040)
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Techtypes
Use the filters below to narrow your results.
Enclosing categories:
None (449) ·
USPC (178) ·
simple tech terms (173) ·
USPC 244 (89) ·
CPC Y10S (47) ·
USPC 102 (33) ·
French patent classifications (26) ·
CPC B64D/62 (26) ·
CPC B64C (23) ·
USPC 114 (20) ·
propulsion (19) ·
German patent classifications (17) ·
Patent classification systems (16) ·
LTA (15) ·
GB 4 (15) ·
CPC B64C39/00 (15) ·
Patent category systems (15) ·
CPC Y10T74/00 (14) ·
CPC (14)
Subcategories:
Keywords:
None (1339) ·
propellers (71) ·
propulsion (62) ·
control (51) ·
LTA (49) ·
landing (42) ·
stability (37) ·
airplane (34) ·
Helicopter (30) ·
Safety (29) ·
airfoil (29) ·
marine (29) ·
frame (28) ·
toys (27) ·
propeller (26) ·
lift (22) ·
projectiles (21) ·
parachute (20) ·
military (20) ·
balloon (19)
Showing below up to 250 results in range #1 to #250.