Drilldown: Patents

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Patents > Year granted: 1900 - 1909 & Tech fields : Airship or propulsion & Supplementary to patent : Patent US-1909-970771 or None

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None (186) · Armengaud jeune (15) · None (9) · Munn & Co. (9) · Chassevent (8) · Weismann et Marx (6) · R. S. & A. B. Lacey (6) · J. Germain (6) · Lavoix et Mosès (4) · J. Owden O'Brien (4) · Marks & Clerk (3) · J. Bonnet-Thirion (3) · Brandon frères (3) · Boult, Wade & Tennant (3) · Y. Rabilloud et fils (3)
National tech categories:
None (95) · FR 6.4 (86) · FR 6.3 (33) · HU V/h (16) · FR 6.2 (11) · USPC 244/22 (10) · AT 77d (9) · DE 77h (8) · USPC 244/6 (7) · USPC 244/73R (6) · USPC 244/70 (6) · IT 8 (6) · USPC 244/52 (5) · USPC 244/51 (5) · USPC 244/26 (5)
IPCs:
None (185) · IPC B64B1/00 (51) · IPC B64C39/00 (30) · IPC B64C33/02 (19) · IPC B64C23/00 (14) · IPC B64C11/00 (14) · IPC B64C33/00 (9) · IPC B64B1/58 (7) · IPC B64C27/04 (6) · IPC B64C9/00 (4) · IPC B63H1/12 (3) · IPC B64C29/00 (3) · IPC B64B1/40 (3) · IPC B64C23/005 (3)
CPCs:
None (124) · CPC B64B1/00 (55) · CPC B64C23/005 (26) · CPC B64C33/02 (23) · CPC B64C11/006 (17) · CPC B64C39/005 (16) · CPC B64C39/00 (14) · CPC B64C2700/6274 (10) · CPC B64C2700/6295 (9) · CPC B64C27/12 (7) · CPC B64C33/00 (7) · CPC B64B1/58 (7) · CPC B64C9/00 (6) · CPC B64C2700/6281 (6) · CPC B64C11/001 (5) · CPC B64C9/38 (4) · CPC B64C29/0025 (4) · CPC B64C39/008 (4)
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