Drilldown: Patents

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Patents > Applicant firm: None & Applicant type : INDIV or А. Нейфельд & Tech fields : balloon or wings & Filing date: 1900 - 1999

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Related to aircraft:
Patent agent:
None (376) · Armengaud jeune (69) · None (23) · Marks & Clerk (21) · G. de Mestral et F. Harlé (17) · E. Blétry (14) · Haseltine, Lake & Co. (13) · Weismann et Marx (13) · Hippolyte Josse (11) · J. Bonnet-Thirion (11) · C. Blétry (10) · L. Chassevent (9) · Herbert Haddan & Co. (7) · W. P. Thompson & Co. (7) · Charles Dony (6) · Abel & Imray (6) · Duvinage (6) · Louis Tailfer (6)
National tech categories:
FR 6.4 (341) · None (220) · HU V/h (45) · AT 77d (44) · BE K (38) · DE 77h.5 (26) · FR 6.3 (24) · IT 8 (11) · RU Group V (11) · DK 77 (10) · DE 77h (10) · USPC 244/22 (7) · USPC 244/97 (7) · USPC 244/25 (6) · DE 77h.7 (6) · USPC 244/72 (5) · DE 77h.4 (5) · CH 129b (5)
IPCs:
None (382) · IPC B64C39/00 (67) · IPC B64B1/00 (62) · IPC B64C17/00 (46) · IPC B64C1/00 (42) · IPC B64C3/00 (41) · IPC B64C33/02 (30) · IPC B64C3/38 (26) · IPC B64B1/58 (22) · IPC B64C3/54 (20) · IPC B64C3/52 (19) · IPC B64C3/56 (17) · IPC B64C23/00 (16) · IPC B64C13/00 (15) · IPC B64C3/48 (14) · IPC B64C11/00 (14) · IPC B64C33/00 (13) · IPC B64B1/40 (9) · IPC B64C3/14 (9) · IPC B64C3/26 (8)
CPCs:
None (273) · CPC B64B1/00 (71) · CPC B64C17/00 (51) · CPC B64C39/00 (48) · CPC B64C33/02 (43) · CPC B64C3/00 (41) · CPC B64C2700/6295 (40) · CPC B64B1/58 (29) · CPC B64C13/00 (28) · CPC B64C2700/6233 (25) · CPC B64B1/40 (22) · CPC B64C3/52 (22) · CPC B64C2700/6218 (20) · CPC B64C3/385 (19) · CPC B64C23/005 (19) · CPC B64C3/54 (18) · CPC B64C3/56 (18) · CPC B64C33/00 (16) · CPC B64C3/48 (15) · CPC B64C3/14 (15)
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Citations from after 1930:
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