Drilldown: Patents

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Patents > Office : DE or FR or GB or LU or NL & Applicant firm: None & Tech fields: None

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Office: (Click arrow to add another value)
Inventor country:
None (1445) · FR (815) · GB (480) · DE (279) · US (278) · IT (45) · CH (41) · AT (40) · BE (23) · CA (20) · AU (11) · RU (10) · NL (10) · NZ (9) · NO (8) · RO (6) · SE (5)
Applicant firm: (Click arrow to add another value)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Application number:
Granted:
Supplementary to patent:
None (3415) ·   (3) · Patent US-1912-1080531 (2) · Patent DE-1894-79446 (2) · Patent BE-1912-02-07-Gramaticesco (2) · Patent US-1911-1003885 (2) · Patent AU-1916-630 (2) · Patent BE-1909-219377 (2) · Patent NZ-1909-25865 (2)
Related to aircraft:
Patent agent:
None (3120) · None (28) · Marks & Clerk (13) · Armengaud jeune (11) · Haseltine, Lake & Co. (9) · Dom. Casalonga (9) · Brewer & Son (8) · L. Chassevent (8) · J. Bonnet-Thirion (7) · Weismann et Marx (7) · E. Blétry (7) · Hyde & Heide (6) · Brandon frères (6) · Abel & Imray (6) · Chassevent (5) · Schwab (5) · Lavoix et Mosès (5) · Boult, Wade & Tennant (5)
National tech categories:
None (3205) · FR 6.4 (221) · FR 6.3 (25) · DE 77 (11) · FR 5 (10) · DE 77h.5 (8) · DE 77h (7) · FR 2 (5) · FR 6.2 (4) · FR 6 (4) · FR 10.1 (4) · FR 5.3 (3) · DE 77h.7 (3)
IPCs:
None (3089) · IPC B64C39/00 (76) · IPC B64C17/00 (54) · IPC B64C1/00 (40) · IPC B64C23/00 (30) · IPC B64C3/00 (30) · IPC B64C3/38 (25) · IPC B64C3/54 (19) · IPC B64C27/04 (14) · IPC B64C35/00 (14) · IPC B64C13/00 (14) · IPC B64C11/00 (13) · IPC B64C33/02 (13) · IPC B64C3/56 (9) · IPC B64C5/04 (9) · IPC B64C3/42 (6) · IPC B64C3/18 (6) · IPC B64C25/00 (6)
First filing:
Citations from after 1930:
Number of diagram pages:

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