Drilldown: Patents

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Patents > Tech fields : Balloons or propulsion & Number of figures: 2-4

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Supplementary to patent:
None (331) · Patent DE-1903-160742 (4) · Patent CH-1907-41855 (4) · Patent AT-1909-40038 (3) · Patent FR-1910-423792 (3) · Patent DE-1907-214855 (3) · Patent DE-1899-123884 (3)
Related to aircraft:
Patent agent:
None (190) · None (12) · Munn & Co. (10) · E. Blétry (7) · J. Bonnet-Thirion (6) · Boult, Wade & Tennant (5) · Marks & Clerk (5) · Chassevent (5) · G. F. Redfern & Co. (5) · Dom. Casalonga (4) · Lloyd Wise & Co. (4) · J. Germain (4) · Charles Assi (4) · Dupont et Elluin (4) · Lavoix et Mosès (4) · Armengaud jeune (4)
National tech categories:
None (113) · FR 6.4 (84) · HU V/h (31) · AT 77d (15) · FR 6.3 (15) · DE 77 (13) · FR 6.2 (12) · DE 77h.6 (9) · USPC 244/73R (8) · USPC 244/6 (5) · USPC 244/30 (5) · GB 4 propel & steer (5) · DE 77h (5) · USPC 244/22 (5) · USPC 244/28 (4) · DE 77h.10 (4) · FR 5.8 (4)
IPCs:
None (210) · IPC B64C11/00 (35) · IPC B64B1/00 (35) · IPC B64C39/00 (22) · IPC B64C33/02 (13) · IPC B64C23/00 (12) · IPC B64B1/58 (9) · IPC B64B1/62 (8) · IPC B64C11/20 (7) · IPC B64D35/04 (5) · IPC B64C11/36 (5) · IPC B64C11/04 (5) · IPC B64C27/04 (4) · IPC B64C11/16 (4) · IPC B64C29/00 (4)
CPCs:
None (130) · CPC B64B1/00 (45) · CPC B64C11/006 (34) · CPC B64C23/005 (24) · CPC B64C33/02 (16) · CPC B64C11/00 (11) · CPC B64C39/00 (10) · CPC B64B1/58 (9) · CPC B64C2700/6295 (8) · CPC B64C2700/6274 (8) · CPC B64B1/62 (8) · CPC B64C39/005 (7) · CPC B64C11/001 (6) · CPC B64C2700/6281 (6) · CPC B64C11/36 (5) · CPC B64C11/20 (5) · CPC B64C11/16 (5) · CPC B64C11/04 (5) · CPC B64D35/04 (5)
First filing:
Citations from after 1930:
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