Drilldown: Patents
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Choose a table:
- Airplane (18)
- Airship (15)
- Companies (481)
- Event (141)
- Letters (683)
- Organizations (967)
- Patents (17622)
- Person (2165)
- Publications (24573)
- Techtypes (2388)
Patents > Year filed:
1900 - 1909
& Office:
DE
& Related to aircraft:
1
& National tech categories:
DE 77h
& CPCs
:
CPC B64B1/58
or
CPC B64C2700/6212
or
CPC B64C2700/6218
& First filing:
None ![](/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)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
Use the filters below to narrow your results.
balloon (1) ·
fabric (1) ·
frame (1) ·
gas (1) ·
LTA (1) ·
method (1) ·
pressure (1) ·
stability (1) ·
subsystem (1) ·
whole (1)
Showing below up to 3 results in range #1 to #3.