Drilldown: Patents

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Patents > Tech fields : ascension or safety & Supplementary to patent: None

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None (221)
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Related to aircraft:
Patent agent:
None (194) · Armengaud jeune (10) · None (8) · Victor J. Evans (8) · G. de Mestral et F. Harlé (6) · H. Bœttcher fils (6) · H. C. Everett Co. (6) · L. Chassevent (5) · Munn & Co. (5) · Lavoix et Mosès (5) · Fayollet (4) · Wheatley & Mackenzie (4) · Brandon frères (4)
National tech categories:
FR 6.4 (105) · None (79) · FR 6.3 (32) · BE K (13) · HU V/h (11) · USPC 244/139 (9) · GB 4 with buoyant (8) · DE 77h.15 (7) · USPC 244/30 (7) · GB 4 propel & steer (7) · AT 77d (6) · IT 8 (5)
IPCs:
None (217) · IPC B64B1/00 (28) · IPC B64C39/00 (15) · IPC B64C23/00 (13) · IPC B64D17/00 (10) · IPC B64C17/00 (9) · IPC B64C27/04 (9) · IPC B64C1/00 (6) · IPC B64C11/00 (6) · IPC B64B1/62 (6) · IPC B64C33/02 (5) · IPC B64C29/00 (5) · IPC B64B1/60 (4) · IPC B64C13/00 (4)
CPCs:
None (148) · CPC B64B1/00 (33) · CPC B64C23/005 (17) · CPC B64C17/00 (13) · CPC B64B1/40 (12) · CPC B64C2700/6274 (11) · CPC B64D17/00 (11) · CPC B64B1/62 (10) · CPC B64C13/00 (9) · CPC B64C39/00 (8) · CPC B64C27/006 (7) · CPC B64C39/08 (6) · CPC B64C33/02 (6) · CPC B64C2700/6295 (6) · CPC B64C2700/6281 (6) · CPC B64D17/80 (5) · CPC B64C27/12 (5) · CPC B64B1/58 (5)
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