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
& IPCs :
IPC B64B1/00 or
IPC B64C25/00 or
IPC B64C39/00
& Number of claims:
5-20000000
Use the filters below to narrow your results.
Alliott Verdon Roe (1) ·
Calvin Pearson (1) ·
Charles Rudolph Wittemann (1) ·
Étienne Brun (1) ·
Gaetan Ajello (1) ·
George C. St. Louis (1) ·
Harry J. Parker (1) ·
Henry E. Krammer (1) ·
Henry Kleckler (3) ·
John Rudolph Gammeter (1) ·
Louis Blériot (1) ·
Marius Martin (1) ·
Ruter William Springer (1) ·
Walter H. Phipps (1)
Alliott Verdon Roe (1) ·
Calvin Pearson (1) ·
Charles Rudolph Wittemann (1) ·
Étienne Brun (1) ·
Gaetan Ajello (1) ·
George C. St. Louis (1) ·
Henry E. Krammer (1) ·
Henry Kleckler (3) ·
John Rudolph Gammeter (1) ·
Louis Blériot (1) ·
Marius Martin (1) ·
Ruter William Springer (1) ·
Sidney Williams (1) ·
Walter H. Phipps (1)
None (5) ·
aerodynamics (1) ·
Airplane (2) ·
balance (1) ·
biplane (1) ·
chassis (3) ·
construction (1) ·
cord (1) ·
design (2) ·
frame (3) ·
fuselage (1) ·
HTA (2) ·
landing (2) ·
Landing gear (2) ·
lift (1) ·
LTA (1) ·
military (1) ·
motors (1) ·
propellers (1) ·
propulsion (1) ·
shock-absorbers (1) ·
stability (1) ·
wheels (2) ·
whole (1)
CPC B64B1/00 (1) ·
CPC B64B1/58 (1) ·
CPC B64C1/26 (2) ·
CPC B64C13/02 (2) ·
CPC B64C25/06 (3) ·
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 B64C3/385 (1) ·
CPC B64C39/00 (3) ·
CPC B64C39/08 (2) ·
CPC B64F2700/6226 (5) ·
CPC Y10S220/19 (1) ·
CPC Y10S277/906 (1) ·
CPC Y10T24/3913 (1) ·
CPC Y10T403/7084 (1)
Showing below up to 14 results in range #1 to #14.
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- Main
- Timeline: Year filed
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- 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