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Patents > Year granted: 1919 & Office : AT or LU or Other & Number of figures: 4-6

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Year granted:
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Office: (Click arrow to add another value)
Inventors:
None (19) · Harris Booth (8) · Émile Letord (6) · Thomas Sloper (5) · John William Copley (4) · James Frederick Verner (4) · Thomas Sopwith (4) · Federico Caproni (3) · Robert Arthur Bruce (3) · George Holt Thomas (3)
Inventor country:
Applicant person:
None (27) · Harris Booth (8) · Émile Letord (6) · Thomas Sloper (5) · John William Copley (4) · Thomas Sopwith (4) · James Frederick Verner (3) · Federico Caproni (3) · George Holt Thomas (3) · Robert Arthur Bruce (3)
Applicant is inventor:
Tech fields:
airplane (29) · construction (21) · Frame (21) · None (21) · control (14) · LTA (14) · biplane (12) · design (12) · propellers (11) · subsystem (9) · airship (8) · propulsion (7) · structure (7) · instrument (7) · military (6) · landing (6)
Full specification filed date:
Application number:
None (43) · 1732817 (2) · 324718 (2) · 1322718 (2)
Granted:
Publication date:
Supplementary to patent:
None (117) · Patent GB-1916-109146 (2) · Patent GB-1915-15085 (2)
Related to aircraft:
Patent agent:
None (39) · Brewer & Son (12) · Lavoix et Mosès (8) · None (7) · Marks & Clerk (6) · A. M. & William Clark (5) · Abel & Imray (4) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (3) · J. Germain (3) · G. F. Redfern & Co. (3) · Herbert Haddan & Co. (3) · Brandon Frères (3) · Boult, Wade & Tennant (3)
IPCs:
None (45) · IPC B64C3/00 (13) · IPC B64C35/00 (8) · IPC B64C3/18 (7) · IPC B64C13/00 (7) · IPC B64C39/00 (6) · IPC B64C1/00 (5) · IPC B64C17/00 (4) · IPC B64C13/12 (4) · IPC B64C13/24 (3) · IPC B64C27/04 (3) · IPC B64C25/60 (3) · IPC B64B1/62 (3) · IPC B64D33/10 (3)
CPCs:
None (27) · CPC B64C3/00 (14) · CPC B64C2700/6235 (10) · CPC B64C13/00 (9) · CPC B64C2700/6256 (7) · CPC B64C35/00 (6) · CPC B64C39/005 (5) · CPC B64C25/60 (5) · CPC B64C3/18 (4) · CPC B64C2700/6295 (4) · CPC B64C17/00 (4) · CPC B64C13/12 (4) · CPC B64F2700/6261 (3) · CPC B64D33/10 (3) · CPC B64C39/00 (3) · CPC B64C2700/6233 (3) · CPC B64C13/24 (3) · CPC B64C3/185 (3) · CPC B64B1/00 (3) · CPC B64B1/62 (3)
First filing:
Citations from after 1930:
Number of diagram pages:
Number of figures:

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