Drilldown: Patents
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None (251) ·
AH (1) ·
AT (12) ·
AU (1) ·
BE (1) ·
Brazil (1) ·
CH (8) ·
DE (234) ·
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FR (31) ·
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US (33) ·
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None (369) ·
HELIX PROPELLER GES M (7) ·
MERCUR FLUGZEUGBAU (5) ·
August Riedinger (4) ·
Otto Lilienthal (3) ·
Emil Lehmann (3) ·
Ferdinand von Zeppelin (3) ·
Georg Wellner (3) ·
Heinrich Strieffler (3) ·
KAMERA KINOWERKE DRESDEN VEB (3) ·
Joseph Hofmann (3) ·
EISENFUEHR (3) ·
Rudolf Wagner (3) ·
Richard Czygan (3) ·
Siemens-Schuckert-Werke G.m.b.H. (3) ·
Paul Frederik Degn (3)
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None (410) ·
CPC B64B1/00 (21) ·
CPC B64C33/02 (16) ·
CPC B64B1/58 (12) ·
CPC B64C2700/6281 (9) ·
CPC B64C17/00 (7) ·
CPC B64C11/04 (7) ·
CPC B64C25/62 (7) ·
CPC B64C9/00 (7) ·
CPC B64C27/00 (7) ·
CPC B64C11/006 (6) ·
CPC B64C11/00 (6) ·
CPC B64C35/00 (6) ·
CPC B64C2700/6212 (5) ·
CPC B64B1/30 (5) ·
CPC B64C3/00 (5)
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Showing below up to 250 results in range #1 to #250.
