Drilldown: Patents
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- Airplane (18)
- Airship (15)
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- Event (141)
- Letters (683)
- Organizations (969)
- Patents (17648)
- Person (2204)
- Publications (24577)
- Techtypes (2416)
Patents > Year granted:
1920 - 1929
& National tech categories:
None
& IPCs :
IPC B64B1/00 or
IPC B64C25/00 or
IPC B64C39/00
Use the filters below to narrow your results.
Alliott Verdon Roe (1) ·
Arthur A. Mosher (1) ·
Calvin Pearson (1) ·
Charles Rudolph Wittemann (1) ·
Gaetan Ajello (1) ·
George C. St. Louis (1) ·
Gustave Delage (1) ·
Harry J. Parker (1) ·
Henry E. Krammer (1) ·
Henry Kleckler (3) ·
Hiram F. McNutt (1) ·
John William Rapp (1) ·
Joseph Vanorio (1) ·
Louis Blériot (1) ·
Salustio Valdés Cortés (1) ·
Walter H. Phipps (1)
Alliott Verdon Roe (1) ·
Arthur A. Mosher (1) ·
Calvin Pearson (1) ·
Charles Rudolph Wittemann (1) ·
Gaetan Ajello (1) ·
George C. St. Louis (1) ·
Gustave Delage (1) ·
Henry E. Krammer (1) ·
Henry Kleckler (3) ·
Hiram F. McNutt (1) ·
John William Rapp (1) ·
Joseph Vanorio (1) ·
Louis Blériot (1) ·
Salustio Valdés Cortés (1) ·
Sidney Williams (1) ·
Walter H. Phipps (1)
None (7) ·
aerial propeller (1) ·
aerodynamics (1) ·
Airplane (3) ·
balance (1) ·
biplane (1) ·
chassis (3) ·
construction (1) ·
design (2) ·
frame (3) ·
fuselage (1) ·
helicopter (1) ·
HTA (1) ·
landing (2) ·
landing gear (2) ·
lift (1) ·
motors (1) ·
propellers (1) ·
propulsion (2) ·
shock-absorbers (1) ·
stability (1) ·
wheels (2) ·
whole (1)
CPC B63H1/04 (1) ·
CPC B63H5/02 (1) ·
CPC B64B1/00 (1) ·
CPC B64C1/26 (2) ·
CPC B64C13/02 (2) ·
CPC B64C25/06 (4) ·
CPC B64C25/52 (1) ·
CPC B64C25/54 (1) ·
CPC B64C25/62 (2) ·
CPC B64C25/64 (1) ·
CPC B64C25/66 (1) ·
CPC B64C2700/6295 (3) ·
CPC B64C39/00 (3) ·
CPC B64C39/003 (1) ·
CPC B64C39/005 (2) ·
CPC B64C39/08 (2) ·
CPC B64F2700/6226 (6) ·
CPC F03D3/02 (1) ·
CPC F03D3/0445 (1) ·
CPC F03D3/0472 (1) ·
CPC F05B2210/16 (1) ·
CPC Y02E10/74 (1) ·
CPC Y10T403/7084 (1)
Showing below up to 16 results in range #1 to #16.
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- Calendar: Year filed
- Calendar: Year granted
- Calendar: Full specification filed date
- Calendar: Grant date
- Calendar: Family year