Drilldown: Patents

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Patents > National tech categories : GB 4 propel & steer or None & First filing: None

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Applicant person:
None (1849) · Everard Richard Calthrop (7) · Alfred Julius Boult (6) · Louis-Marie Le Dantec (5) · Charles Denniston Burney (4) · Louis Constantin (4) · George Raymond Lawrence (3) · Nazaire Lacrotte (3) · Louis Blériot (3) · Cosimo Canovetti‎ (3)
Applicant is inventor:
Application number:
None (2034)
Granted:
Supplementary to patent:
None (1923) · 1 (4) · Patent GB-1909-12556 (3) · Patent GB-1911-29012 (3) · Patent BE-1910-Hervieu-hangar (3) · Patent AU-1911-510 (2) · Patent FR-1911-430455 (2) · Patent ES-1911-50435 (2) · Patent DE-1907-194166 (2) · Patent HU-1901-24148 (2) · Patent CH-1899-18666 (2) · Patent BE-1913-253298 (2) · Patent DE-1899-123884 (2) · Patent US-1913-04-21 George Raymond Lawrence (2) · Patent AT-1911-57225 (2)
Related to aircraft:
Patent agent:
None (1913) · Haseltine, Lake & Co. (9) · Marks & Clerk (7) · G. F. Redfern & Co. (6) · 1 (6) · Boult, Wade & Tennant (6) · W. P. Thompson & Co. (5) · Henry Hughes (5) · Herbert Haddan & Co. (5) · Alfred Ernest White (4) · Baldwin & Rayward (3) · Johnsons & Willcox (3) · Alfred Julius Boult (3) · Abel & Imray (3) · D. Young & Co. (3) · Herbert H. Thompson (3)
National tech categories: (Click arrow to add another value)
IPCs:
None (2002) · IPC B64C35/00 (4) · 1 (4) · IPC B64D17/00 (3) · IPC B64C1/00 (3) · IPC B64C39/00 (3) · IPC B64D27/04 (3) · IPC F42C7/12 (2) · IPC F42B4/28 (2) · IPC F42B3/117 (2) · IPC B64D27/00 (2) · IPC B64C11/00 (2) · IPC E04B1/346 (2) · IPC B64D1/02 (2) · IPC G01P3/36 (2) · IPC B64D10/00 (2) · IPC B64C17/00 (2) · IPC B64D17/80 (2)
CPCs:
None (1513) · CPC B64C11/006 (100) · CPC B64C11/346 (62) · CPC B64C11/48 (51) · CPC B63H1/12 (33) · CPC B64C11/36 (30) · CPC B64C11/343 (29) · CPC F03D11/00 (29) · CPC Y02E10/722 (29) · CPC F05B2260/74 (28) · CPC B64C11/06 (25) · CPC B63H1/04 (25) · CPC B64C27/33 (18) · CPC F03D1/025 (17) · CPC B64C3/48 (15) · CPC B64C11/065 (13) · CPC F03D3/00 (12) · CPC Y02E10/74 (12) · CPC Y02E10/72 (10) · CPC B64C11/003 (10)
First filing: (Click arrow to add another value)
Citations from after 1930:
Number of diagram pages:

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