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Patents > Tech fields : Propellers or airplane & Grant date: 1919

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Year granted:
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Inventors:
None (20) · Harold Arthur Savage (8) · George Henry Challenger (7) · Walter George Tarrant (7) · Thomas Sopwith (4) · Louis Blériot (4) · Oszkár Asbóth (4) · Reinhold Richter (4) · Henry Kleckler (3) · Alexander Albert Holle (3) · Federico Caproni (2) · James Frederick Verner (2) · Alfredo Guillermo Leigh (2) · Louis Renault (2) · John Edward Thompson (2) · Jane-Françoise-Mathilde Giraud (2) · Joshua Gaskill Jackson (2) · Walter Henry Barling (2) · René Arnoux (2) · Henri-Joseph-Léon-Marie de la Chevardière de la Grandville (2)
Inventor country:
Applicant person:
None (26) · Harold Arthur Savage (8) · Walter George Tarrant (7) · George Henry Challenger (7) · Thomas Sopwith (4) · Reinhold Richter (4) · Louis Blériot (4) · Henry Kleckler (3) · Alexander Albert Holle (3) · Walter Henry Barling (2) · René Arnoux (2) · Federico Caproni (2) · Louis Renault (2) · Joshua Gaskill Jackson (2) · John Edward Thompson (2) · Jane-Françoise-Mathilde Giraud (2) · Oskar von Asbóth (2) · Henri-Joseph-Léon-Marie de la Chevardière de la Grandville (2) · Alfredo Guillermo Leigh (2)
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Full specification filed date:
Application number:
None (56)
Granted:
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Supplementary to patent:
None (98) · Patent CA-1917-183481 (2) · Patent FR-1916-502839 (2)
Related to aircraft:
Patent agent:
None (50) · Haseltine, Lake & Co. (11) · Marks & Clerk (6) · Boult, Wade & Tennant (6) · Lavoix et Mosès (5) · Carpmaels, Radford & Newton (4) · John P. Tarbox (4) · Phillipss (3) · Fred Walsh (3) · Société G. Breton, P. Audy, J. Rousset, A. Vergé (2) · Paul Blum (2) · G. F. Redfern & Co. (2) · Gaston Petiau (2) · Arthur C. Downing (2) · Brewer & Son (2)
IPCs:
None (56) · IPC F41A19/05 (6) · IPC B64C39/00 (6) · IPC B64C17/00 (5) · IPC B64C3/00 (5) · IPC B64C13/00 (5) · IPC B64C11/36 (4) · IPC B64C1/00 (4) · IPC B64C3/38 (3) · IPC B64B1/00 (3) · IPC B64C1/06 (3) · IPC B64C13/12 (2) · IPC B64C25/00 (2) · IPC B64C3/26 (2) · IPC B27M3/10 (2) · IPC B64C25/48 (2)
CPCs:
None (42) · CPC B64C13/00 (8) · CPC F41A19/05 (6) · CPC B64C3/00 (6) · CPC B64C2700/6295 (6) · CPC B64C39/00 (6) · CPC B64C2700/6256 (5) · CPC B64C17/00 (5) · CPC B64C3/385 (4) · CPC B64C2001/0063 (4) · CPC B64C11/36 (4) · CPC B27M3/10 (3) · CPC B64C1/064 (3) · CPC B64C2700/6235 (3) · CPC B64B1/00 (3)
First filing:
Citations from after 1930:
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