Drilldown: Patents

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Patents > Tech fields : design or lift or propeller & Supplementary to patent: None & Number of text pages: 4-50000000

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None (85)
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Patent agent:
None (74) · Armengaud jeune (11) · Munn & Co. (9) · None (7) · Jensen & Son (6) · Marks & Clerk (5) · Dupont et Elluin (5) · Haseltine, Lake & Co. (5) · Brandon frères (5) · E. Blétry (4) · H. D. Fitzpatrick & Co. (4) · L. Chassevent (4) · Boult, Wade & Tennant (4) · Lavoix et Mosès (4) · Michael J. Stark & Sons (4) · R. S. & A. B. Lacey (4)
National tech categories:
None (95) · FR 6.4 (72) · HU V/h (13) · GB 4 propel & steer (7) · USPC 244/22 (6) · CH 129b (6) · USPC 244/139 (5) · USPC 244/80 (5) · USPC 244/96 (5) · GB 4 framework (4) · GB 4 aëroplanes (4) · FR 6.3 (4) · GB 4 without buoyant (4) · USPC 244/6 (4)
IPCs:
None (160) · IPC B64C17/00 (24) · IPC B64C1/00 (22) · IPC B64C39/00 (18) · IPC B64C23/00 (10) · IPC B64B1/00 (9) · IPC B64C33/00 (7) · IPC B64C33/02 (7) · IPC B64C3/56 (6) · IPC B64C11/00 (5) · IPC B64C13/00 (4) · IPC B64C3/18 (3) · IPC B64C3/52 (3) · IPC B64C35/00 (3) · IPC B64C3/38 (3)
CPCs:
None (72) · CPC B64C17/00 (27) · CPC B64B1/00 (25) · CPC B64C23/005 (22) · CPC B64C33/02 (13) · CPC B64C2700/6218 (13) · CPC B64C2700/6295 (13) · CPC B64C39/00 (12) · CPC B64C13/00 (10) · CPC B64C33/00 (8) · CPC B64C2700/6274 (6) · CPC B64C39/005 (6) · CPC B64C3/56 (6) · CPC B64C3/385 (6) · CPC B64C39/08 (5) · CPC B64C1/00 (5) · CPC B64C29/0033 (4) · CPC B64C11/006 (4) · CPC B64C39/008 (4) · CPC B64C2001/0063 (4)
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