Drilldown: Patents

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Patents > Tech fields : Airship or stability & Number of claims: 2-3

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None (280) · Patent NO-1915-12-15 Carl Alfred Johansson (6) · Patent DE-1912-279343 (4) · Patent DE-1913-301564 (4) · Patent FR-1907-373818 (3) · Patent DE-1908-232250 (3) · Patent AT-1913-66955 (3) · Patent FR-1909-410140 (3) · Patent FR-1913-472867 (3)
Related to aircraft:
Patent agent:
None (164) · Armengaud jeune (22) · Haseltine, Lake & Co. (10) · None (10) · Marks & Clerk (9) · E. Blétry (8) · Herbert Haddan & Co. (7) · Victor J. Evans (7) · Schwab (6) · Chatwin, Herschell & Co. (5) · Munn & Co. (5) · Boult, Wade & Tennant (5) · Lavoix et Mosès (4) · L. Chassevent (4) · C. A. Snow & Co. (4) · Johnsons & Willcox (4) · Brandon frères (4) · J. Bonnet-Thirion (4) · Hippolyte Josse (4) · W. P. Thompson & Co. (4)
National tech categories:
FR 6.4 (145) · None (112) · HU V/h (50) · AT 77d (24) · DE 77 (6) · USPC 244/79 (5) · DK 77 (5) · DE 77h.4 (5) · CH 129b (5) · USPC 244/127 (4) · USPC 244/6 (4) · USPC 244/35R (4) · FR 6.3 (3) · USPC 244/93 (3) · USPC 74/5.22 (3) · USPC 244/90R (3) · DE 77h.5 (3)
IPCs:
None (192) · IPC B64C17/00 (89) · IPC B64C1/00 (77) · IPC B64B1/00 (26) · IPC B64C39/00 (15) · IPC B64C17/06 (14) · IPC B64C13/00 (11) · IPC B64B1/58 (9) · IPC B64B1/40 (9) · IPC B64C3/38 (7) · IPC B64C33/00 (5) · IPC B64C13/04 (4) · IPC B64C27/00 (3) · IPC B64C9/00 (3) · IPC B64C3/14 (3) · IPC B64C19/00 (3) · IPC B64C3/52 (3) · IPC B64C11/00 (3) · IPC CPC B64C13/00 (3)
CPCs:
None (123) · CPC B64C17/00 (98) · CPC B64C2700/6218 (40) · CPC B64B1/00 (31) · CPC B64C13/00 (24) · CPC B64C2700/6212 (22) · CPC B64C17/06 (17) · CPC B64B1/40 (16) · CPC B64C39/00 (11) · CPC B64C2700/6216 (11) · CPC B64C2700/6295 (11) · CPC B64B1/58 (11) · CPC B64C3/385 (11) · CPC B64C2700/6256 (10) · CPC B64C1/00 (10) · CPC B64C2700/6214 (9) · CPC B64C23/005 (8) · CPC B64C2700/6228 (6) · CPC B64C3/14 (6) · CPC B64C39/005 (6)
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