Drilldown: Patents
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- Airplane (18)
- Airship (15)
- Companies (481)
- Event (141)
- Letters (683)
- Organizations (969)
- Patents (17648)
- Person (2204)
- Publications (24577)
- Techtypes (2416)
Patents > Year granted:
1920 - 1929
& National tech categories:
FR 6.4
& IPCs :
IPC B64C1/00 or
IPC B64C25/00
Use the filters below to narrow your results.
aerodynamics (2) ·
airplane (4) ·
automatic stability (1) ·
cables (1) ·
chassis (4) ·
design (1) ·
flying machines (2) ·
frame (3) ·
gyroscope (1) ·
incidence (1) ·
instrument (1) ·
landing (2) ·
landing gear (1) ·
magnet (1) ·
marine (1) ·
military (1) ·
pendulum (1) ·
projectile (1) ·
servomotors (1) ·
shock-absorbers (1) ·
skids (1) ·
stability (3) ·
structure (1) ·
subsystem (1) ·
takeoff (1) ·
torpedo (1) ·
triplane (1) ·
undercarriage (2) ·
wheels (1)
CPC B64C25/60 (1) ·
CPC B64C17/00 (2) ·
CPC B64C17/06 (1) ·
CPC B64C25/00 (1) ·
CPC B64C25/06 (2) ·
CPC B64C25/34 (1) ·
CPC B64C25/64 (2) ·
CPC B64C2700/6216 (1) ·
CPC B64C2700/6218 (2) ·
CPC B64C3/56 (1) ·
CPC B64F2700/6226 (1) ·
IPC B64C25/34 (1) ·
IPC B64C25/52 (1) ·
IPC B64C25/54 (1) ·
IPC B64C25/62 (1) ·
IPC B64C25/66 (1) ·
IPC B64F2700/6226 (1)
Showing below up to 8 results in range #1 to #8.