Drilldown: Patents
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- Airplane (18)
- Airship (15)
- Companies (481)
- Event (141)
- Letters (683)
- Organizations (969)
- Patents (17648)
- Person (2202)
- Publications (24575)
- Techtypes (2415)
Patents > Year filed:
1890 - 1899
& National tech categories:
DE 77
& Family year:
1800 - 1899
& Number of claims:
None
Use the filters below to narrow your results.
A. Jäger (1) ·
Adolf Scheinert (1) ·
August Riedinger (1) ·
Carl Bugkel (1) ·
Carl Friedrich Billwiller (1) ·
Dr. Bernhard Reinhard Beenen (1) ·
E. de la Sauce (1) ·
Friedrich Kühner (1) ·
Hans von Siegsfeld (1) ·
Hermann Israel (1) ·
Hubbell Duane Hurlbutt (1) ·
Otto Wendland (1) ·
Richard Czygan (2) ·
Wilhelm van de Voorde (1)
None (1) ·
aerodynamics (1) ·
airfoil (1) ·
airplane (1) ·
airship (1) ·
ascension (1) ·
balloon (1) ·
balloons (1) ·
car (1) ·
compressed air (1) ·
frame (1) ·
gas (1) ·
helicopter (1) ·
hybrid (1) ·
jet (1) ·
kite balloon (1) ·
LTA (3) ·
marine (1) ·
navigation (2) ·
pressure (2) ·
propeller (4) ·
propellers (1) ·
propellers, ascension (1) ·
propulsion (4) ·
sail (1) ·
steering (1) ·
valve (1)
Showing below up to 12 results in range #1 to #12.