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 > Filing date:
1890 - 1899
& National tech categories
:
DE 77h
or
HU V/h
or
USPC 244/30
& Number of diagram pages:
3-4 ![](/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) ·
airplane (1) ·
ascension (1) ·
ballonet (1) ·
balloon (3) ·
car (1) ·
compartments (1) ·
frame (3) ·
LTA (5) ·
navigation (3) ·
parachute (2) ·
piloting (1) ·
propeller (3) ·
propulsion (4) ·
rigid (1) ·
safety (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