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Patents > Grant date: 1919 & Related to aircraft: 1 & Number of text pages: 1-2

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Year granted:
Office:
Inventors:
None (16) · Émile Letord (15) · Reinhold Richter (7) · Gianni Caproni (5) · Harris Booth (5) · Wilfrid Thomas Reid (4) · Walter George Tarrant (4) · Hjalmar Pålson (3) · Thomas Sopwith (3)
Inventor country:
Applicant person:
None (25) · Émile Letord (15) · Reinhold Richter (7) · Harris Booth (5) · Gianni Caproni (5) · Wilfrid Thomas Reid (4) · Walter George Tarrant (4) · Thomas Sopwith (3) · Hjalmar Pålson (3)
Applicant is inventor:
Tech fields:
airplane (36) · None (29) · construction (18) · frame (13) · LTA (13) · military (10) · fuselage (9) · Subsystem (9) · propellers (8) · stability (8) · Control (8) · design (8) · motors (6) · structure (6) · landing (6) · wings (5) · biplane (5)
Full specification filed date:
Application number:
None (51) · 1732817 (3) · 496388D (2) · 494571D (2)
Granted:
Publication date:
Supplementary to patent:
None (118) · Patent FR-1917-494365 (3) · Patent GB-1916-109146 (2) · Patent GB-1917-128643 (2) · Patent IT-1916-07-14 (2)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (39) · Lavoix et Moses (10) · J. Germain (9) · Herbert Haddan & Co. (7) · Brandon frères (6) · Marks & Clerk (6) · Brewer & Son (6) · Mewburn, Ellis & Pryor (4) · None (4) · Paul Blum (4) · Haseltine, Lake & Co. (3) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (3) · Carpmaels, Radford & Newton (3) · Abel & Imray (3)
National tech categories:
None (65) · FR 6.4 (42) · AT 77d (18) · DE 77h.5 (5) · NL 62 (3) · AU 90.5 (3) · FR 12.3 (2) · NL 62.15 (2) · AT 46b (2)
IPCs:
None (49) · IPC B64C3/00 (18) · IPC B64C35/00 (9) · IPC B64C13/00 (7) · IPC B64C3/18 (7) · IPC B64D33/10 (5) · IPC B64B1/58 (5) · IPC B64C1/00 (5) · IPC B64C39/00 (4) · IPC B64C25/00 (3) · IPC B64C3/38 (3) · IPC B64B1/00 (3) · IPC B64C11/04 (3) · IPC B64C1/06 (2) · IPC B64C17/00 (2) · IPC B64C25/50 (2)
CPCs:
None (31) · CPC B64C3/00 (19) · CPC B64C2700/6235 (12) · CPC B64C13/00 (8) · CPC B64B1/58 (7) · CPC B64C35/00 (6) · CPC B64C2700/6256 (5) · CPC B64D33/10 (5) · CPC B64B1/00 (4) · CPC B64C2700/6295 (4) · CPC B64C3/385 (4)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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