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Patents > Office : CH or MX or Other & Filing date: 1909 & Number of text pages: 3-4

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Tech fields:
airplane (126) · frame (81) · propulsion (66) · None (65) · design (62) · stability (62) · navigation (50) · propeller (49) · LTA (41) · Rudder (40) · wings (38) · Control (37) · propellers (35) · construction (30) · Subsystem (27) · lift (25) · wheels (24) · aerodynamics (20) · whole (20) · marine (19)
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Supplementary to patent:
None (281) · Patent GB-1908-4519 (5) · Patent US-1908-989022 (3) · Patent US-1908-927605 (3) · Patent US-1909-970771 (3)
Related to aircraft:
Patent agent:
None (73) · Armengaud jeune (18) · Marks & Clerk (16) · None (11) · Weismann et Marx (10) · J. Bonnet-Thirion (8) · Herbert Haddan & Co. (7) · Boult, Wade & Tennant (7) · Munn & Co. (7) · Boramé et Julien (5) · Haseltine, Lake & Co. (5) · Wheatley & Mackenzie (5) · C. Blétry (4) · Weissmann et Marx (4) · Dom. Casalonga (4) · Schwab (4) · Ch. Mardelet (4)
National tech categories:
None (129) · FR 6.4 (112) · HU V/h (13) · DE 77h.5 (6) · CH 129b (5) · USPC 244/65 (5) · USPC 244/87 (4) · FR 6.2 (4) · USPC 244/20 (4) · RU Group V (4)
IPCs:
None (134) · IPC B64C39/00 (38) · IPC B64C17/00 (24) · IPC B64C3/38 (19) · IPC B64C1/00 (18) · IPC B64B1/00 (17) · IPC B64C23/00 (13) · IPC B64C11/00 (10) · IPC B64C33/00 (8) · IPC B64C27/04 (8) · IPC B64C13/00 (8) · IPC B64B1/58 (8) · IPC B64C3/54 (6) · IPC B64C35/00 (5) · IPC B63H1/12 (4) · IPC B64C3/48 (4)
CPCs:
None (42) · CPC B64C2700/6295 (31) · CPC B64C17/00 (29) · CPC B64C39/00 (24) · CPC B64C3/385 (24) · CPC B64C23/005 (20) · CPC B64B1/00 (19) · CPC B64C13/00 (14) · CPC B64C39/005 (11) · CPC B64C39/08 (10) · CPC B64C2700/6212 (9) · CPC B64B1/58 (9) · CPC B64C2700/6218 (9) · CPC B64C33/00 (9) · CPC B64C2700/6256 (8) · CPC B64C2700/6274 (8) · CPC B64C27/04 (7) · CPC B64C33/02 (7) · CPC B64C11/006 (7) · CPC B64C2700/6281 (7)
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