Drilldown: Patents
Jump to navigation
Jump to search
Choose a table:
- Airplane (18)
- Airship (15)
- Companies (476)
- Event (141)
- Letters (683)
- Organizations (964)
- Patents (17557)
- Person (2115)
- Publications (24564)
- Techtypes (2373)
Patents > Office
:
ES
or
NL
or
Other
& Publication date:
1921
& CPCs
:
CPC B64C23/005
or
CPC B64C3/00 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
Use the filters below to narrow your results.
None (1) ·
aerodynamics (1) ·
aircraft (1) ·
airplane (6) ·
ascension (3) ·
chassis (1) ·
construction (2) ·
design (6) ·
frame (3) ·
gas (1) ·
heavier-than-air (3) ·
hélice (1) ·
helicopter (1) ·
hybrid (1) ·
lift (1) ·
longerons (1) ·
monoplane (2) ·
motors (1) ·
nacelle (1) ·
nervure (1) ·
propellers (2) ·
propulsion (3) ·
subsystem (1) ·
sustentation (2) ·
Tragflügel (1) ·
wing (2) ·
wings (3)
None (2) ·
22286D (1) ·
22303D (1) ·
22406D (1) ·
22526D (1) ·
22527D (1) ·
23451D (1) ·
23452D (1) ·
515011D (1) ·
521764D (1) ·
525800D (1)
Showing below up to 12 results in range #1 to #12.