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Patents > Office : DE or FI & Tech fields : navigation or None

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Applicant person:
None (277) · HELIX PROPELLER GES M (7) · MERCUR FLUGZEUGBAU (5) · F. Gaebert (4) · Otto Lilienthal (4) · Claudius Dornier (4) · Rudolf Wagner (3) · Siemens-Schuckert-Werke G.m.b.H. (3) · KAMERA KINOWERKE DRESDEN VEB (3) · EISENFUEHR (3)
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None (324)
Granted:
Related to aircraft:
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National tech categories:
None (304) · DE 77 (40) · DE 77h.5 (29) · DE 77h (15) · DE 77h.15 (8) · DE 77h.6 (5) · DE 77h.7 (4) · DE 77h.2 (3) · DE 77f.23 (3) · DE 42c.41 (2) · DE 62b (2) · DE 77h.11 (2) · DE 77h.12 (2) · DE 13 (2) · DE 77h.9 (2) · DE 42c.35 (2) · DE 42c.39 (2) · DE 80 (2) · DE 42c.6 (2)
IPCs:
None (373) · IPC B64B1/00 (5) · IPC B64B1/58 (5) · IPC B64C33/02 (4) · IPC B64C39/00 (4) · IPC B64C3/00 (3) · IPC B64C35/00 (3) · IPC B64C17/00 (3) · IPC CPC B64C13/00 (3) · IPC B64C3/38 (3) · IPC B64C1/00 (2) · IPC B64B1/40 (2) · IPC B64B1/62 (2) · IPC B64B1/64 (2) · IPC G01C9/00 (2) · IPC B64C13/00 (2) · IPC B64C23/00 (2)
CPCs:
None (232) · CPC B64B1/00 (12) · CPC B64C35/00 (11) · CPC B64C3/00 (11) · CPC B64C33/02 (11) · CPC B64C13/00 (10) · CPC B64C2700/6281 (9) · CPC B64C27/00 (8) · CPC B64B1/58 (8) · CPC B64C17/00 (7) · CPC B64C9/00 (7) · CPC B64C25/62 (7) · CPC B64C2700/6235 (6) · CPC B64C3/385 (6) · CPC B64C23/005 (5) · CPC B64C11/04 (5) · CPC B64C2700/6233 (5)
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Citations from after 1930:
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