Drilldown: Patents

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Patents > Applicant firm: None & Applicant type : INDIV or А. Нейфельд & Tech fields : balloon or wings & Number of text pages: 2-3

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Supplementary to patent:
None (376) · Patent FR-1907-373818 (7) · Patent FR-1908-392672 (6) · Patent AT-1912-75092 (5) · Patent FR-1908-407090 (4) · Patent BE-1911-04-14 Lucien-Constant-Joseph Harel (4) · Patent US-1909-970771 (3) · Patent IT-1914- (3) · Patent AT-1907-37570 (3) · Patent FR-1899-292828 (3)
Related to aircraft:
Patent agent:
None (237) · Armengaud jeune (53) · None (15) · G. de Mestral et F. Harlé (14) · Marks & Clerk (11) · Hippolyte Josse (11) · Weismann et Marx (10) · Haseltine, Lake & Co. (9) · E. Blétry (8) · J. Bonnet-Thirion (8) · C. Blétry (8) · W. P. Thompson & Co. (7) · Herbert Haddan & Co. (6) · L. Chassevent (6) · Louis Tailfer (5) · Émile Bert (5)
National tech categories:
FR 6.4 (238) · None (109) · AT 77d (37) · HU V/h (33) · DE 77h.5 (21) · FR 6.3 (16) · RU Group V (11) · DK 77 (10) · DE 77 (9) · DE 77h.7 (6) · DE 77h (6) · USPC 244/30 (5) · GB 4 propel & steer (4) · USPC 244/28 (4) · USPC 244/26 (4) · GB 4 with buoyant (4) · CH 115 (4) · USPC 244/97 (4)
IPCs:
None (211) · IPC B64B1/00 (52) · IPC B64C39/00 (41) · IPC B64C17/00 (30) · IPC B64C3/00 (29) · IPC B64C1/00 (26) · IPC B64C33/02 (24) · IPC B64C3/54 (17) · IPC B64B1/58 (15) · IPC B64C3/38 (14) · IPC B64C23/00 (12) · IPC B64C13/00 (12) · IPC B64C3/48 (12) · IPC B64C3/52 (12) · IPC B64C3/56 (8) · IPC B64B1/40 (8) · IPC B64C11/00 (8) · IPC B64C3/14 (7) · IPC B64C33/00 (6) · IPC B64C21/02 (6)
CPCs:
None (146) · CPC B64B1/00 (58) · CPC B64C17/00 (32) · CPC B64C3/00 (30) · CPC B64C39/00 (28) · CPC B64C33/02 (26) · CPC B64C2700/6295 (26) · CPC B64B1/40 (21) · CPC B64C13/00 (20) · CPC B64B1/58 (18) · CPC B64C3/54 (16) · CPC B64C2700/6233 (15) · CPC B64C23/005 (13) · CPC B64C3/48 (13) · CPC B64C3/52 (13) · CPC B64C3/385 (11) · CPC B64C2700/6218 (10) · CPC B64C2700/6256 (10) · CPC B64C33/00 (10)
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Citations from after 1930:
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