Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : compartments or hybrid

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Supplementary to patent:
None (374) · Patent GB-1913-16499 (8) · Patent FR-1909-410140 (4) · Patent AT-1912-75092 (4) · Patent FR-1908-407090 (4) · Patent BE-1907-198483 (4) · Patent BE-1913-255172 (4) · Patent FR-1915-478440 (3) · Patent FR-1898-03-21 Louis-Étienne Roze (3) · Patent FR-1899-292828 (3) · Patent FR-1899-Boinet (3) · Patent DE-1909-Wilcke-Graff (3) · Patent FR-1913-472867 (3) · Patent AT-1909-40038 (3) · Patent GB-1913-6829 (3) · Patent US-1908-922952 (3) · Patent US-1909-1137533 (3) · Patent BE-1908-Bot-Lallemand (3)
Related to aircraft:
Patent agent:
None (217) · None (17) · Armengaud jeune (13) · Munn & Co. (11) · G. de Mestral et F. Harlé (8) · Victor J. Evans (8) · J. Bonnet-Thirion (8) · Haseltine, Lake & Co. (6) · Schwab (6) · Lavoix et Mosès (6) · Boult, Wade & Tennant (6) · A. Wunderlich & Cie, Ingénieurs-Conseils (5) · Marks & Clerk (5) · Verhaeghen (4) · J. Germain (4)
National tech categories:
FR 6.4 (137) · None (111) · BE K (30) · HU V/h (17) · FR 6.3 (16) · GB 4 with buoyant (10) · USPC 244/6 (10) · USPC 244/64 (8) · AT 77d (8) · USPC 244/30 (8) · USPC 244/22 (7) · USPC 244/25 (6) · USPC 244/11 (6) · RU Group V (6) · DE 77h.4 (6) · DE 77h (6) · DE 77 (6) · DE 77h.5 (5) · USPC 244/66 (5)
IPCs:
None (294) · IPC B64B1/00 (57) · IPC B64C23/00 (35) · IPC B64C27/04 (18) · IPC B64C39/00 (18) · IPC B64B1/58 (15) · IPC B64C35/00 (13) · IPC B64C33/00 (10) · IPC B64C33/02 (8) · IPC B64B1/62 (6) · IPC B64C27/00 (6) · IPC B64C17/00 (5) · IPC B64C1/00 (5) · IPC B64C29/00 (4) · IPC B64B1/40 (4)
CPCs:
None (197) · CPC B64B1/00 (78) · CPC B64C23/005 (51) · CPC B64C2700/6274 (21) · CPC B64B1/58 (18) · CPC B64C33/02 (17) · CPC B64C33/00 (15) · CPC B64C39/005 (14) · CPC B64C35/00 (13) · CPC B64C27/04 (12) · CPC B64C2700/6281 (11) · CPC B64C39/00 (10) · CPC B64B1/62 (9) · CPC B64C2700/6295 (6) · CPC B64C3/56 (5) · CPC B64C31/04 (5) · CPC B64C27/00 (5)
First filing:
Citations from after 1930:
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