Drilldown: Patents
Jump to navigation
Jump to search
Choose a table:
- Airplane (18)
- Airship (15)
- Companies (475)
- Event (141)
- Letters (683)
- Organizations (965)
- Patents (17514)
- Person (2101)
- Publications (24554)
- Techtypes (2370)
Patents > Publication date:
1920
& National tech categories
:
FR 6.4
or
USPC 244/66
& IPCs
:
IPC B64B1/40
or
IPC B64B1/58
or
IPC B64B1/62 ![](/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.
airfoil (1) ·
Airship (2) ·
ballast (1) ·
Ballonet (2) ·
balloon (1) ·
Balloons (1) ·
Compartments (1) ·
Construction (1) ·
cooling (1) ·
covering (1) ·
Descent (1) ·
design (2) ·
Dirigibles (1) ·
Elasticity (1) ·
envelope (2) ·
fabric (2) ·
Frame (1) ·
kite (1) ·
LTA (4) ·
semi-rigid (1) ·
stability (1) ·
Subsystem (2) ·
Texture (1)
Showing below up to 6 results in range #1 to #6.
View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)
- Main
- Timeline: Year filed
- Timeline: Year granted
- Timeline: Filing date
- Timeline: Full specification filed date
- Timeline: Grant date
- Timeline: Publication date
- Timeline: Family year
- Calendar: Year filed
- Calendar: Year granted
- Calendar: Full specification filed date
- Calendar: Grant date
- Calendar: Family year