Drilldown: Patents

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Patents > Family year: 1909 & First filing: No

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None (224) · Patent BE-1909-214032 (32) · Patent US-1909-970771 (10) · Patent FR-1909-420322 (8) · Patent GB-1909-8531 (6) · Patent FR-1909-399456 (6) · Patent FR-1909-403985 (5) · Patent GB-1909-2111 (5) · Patent BE-1909-218585 (4) · Patent FR-1909-402649 (4) · Patent FR-1909-404954 (4) · Patent FR-1909-408197 (4) · Patent HU-1909-49726 (4)
Related to aircraft:
Patent agent:
None (241) · A. Wunderlich & Cie, Ingénieurs-Conseils (28) · Armengaud jeune (25) · J. Bonnet-Thirion (16) · Marks & Clerk (13) · E. Blétry (11) · Boult, Wade & Tennant (10) · Abel & Imray (8) · None (8) · Hippolyte Josse (7) · Schwab (7) · Lavoix et Mosès (6) · Haseltine, Lake & Co. (5) · Boramé et Julien (5) · Herbert Haddan & Co. (5) · C. Blétry (4) · Johnsons & Willcox (4) · Weismann et Marx (4) · Charles Dony (4) · De Bongé (4)
National tech categories:
None (198) · FR 6.4 (195) · BE K (40) · HU V/h (27) · AT 77d (12) · RU Group V (9) · FR 6.3 (5) · FR 6.2 (5) · DE 77h.5 (5) · FR 5.3 (4) · DE 77h.10 (3) · DK 77 (3) · USPC 244/70 (2) · USPC 244/113 (2) · FR 10.1 (2) · RU Group III (2) · AU 90.3 (2) · CH 129b (2)
IPCs:
None (259) · IPC B64C17/00 (34) · IPC B64C39/00 (27) · IPC B64C1/00 (27) · IPC B64B1/00 (20) · IPC B64C3/38 (15) · IPC B64C11/00 (15) · IPC B64B1/58 (15) · IPC B64C23/00 (14) · IPC B64C33/02 (9) · IPC B64C13/00 (8) · IPC B64C35/00 (8) · IPC B64B1/40 (7) · IPC B64C3/48 (6) · IPC B64C17/06 (5) · IPC B64C3/54 (5) · IPC B63H1/12 (5) · IPC B64C25/00 (5) · IPC B64B1/62 (5) · IPC B64D27/00 (5)
CPCs:
None (156) · CPC B64C17/00 (40) · CPC B64C39/00 (35) · CPC B64C2700/6295 (33) · CPC B64C23/005 (24) · CPC B64B1/00 (20) · CPC B64C3/385 (19) · CPC B64C13/00 (18) · CPC B64C11/006 (17) · CPC B64B1/58 (16) · CPC B64C2700/6218 (15) · CPC B64C2700/6274 (14) · CPC B64C33/02 (11) · CPC B64C35/00 (11) · CPC B64B1/40 (9) · CPC B64C17/06 (7) · CPC B64C2700/6212 (7) · CPC B64C2700/6256 (7)
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Citations from after 1930:
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