Drilldown: Patents

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Patents > Year granted: 1900 - 1909 & Office : DK or ES or MX or NO or US

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Office: (Click arrow to add another value)
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Tech fields:
None (175) · LTA (160) · Propulsion (148) · navigation (122) · Airplane (83) · propeller (78) · frame (77) · stability (68) · flapping (52) · marine (39) · airfoil (37) · kite (33) · rudder (31) · parachute (29) · balloon (27) · car (27) · military (27) · hybrid (26) · helicopter (26) · safety (25)
Full specification filed date:
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Supplementary to patent:
None (629) · 1 (5) · Patent DE-1899-123884 (4) · Patent HU-1901-24148 (4) · Patent GB-1908-4519 (2) · Patent DE-1907-194166 (2) · Patent FR-1904-340154 (2) · Patent GB-1903-27212 (2) · Patent US-1904-793746 (2)
Patent agent:
None (494) · Munn & Co. (27) · None (7) · 1 (6) · R. S. & A. B. Lacey (6) · C. A. Snow & Co. (4) · Edgar Tate & Co. (4) · 0 (3) · Richardson (3) · James L. Norris (3) · Church & Church (2) · E. B. Stocking (2) · John P. O'Donnell (2) · Geo. H. Strong (2) · Howson and Howson (2) · A. B. Willson & Co. (2) · Spencer Heath (2) · Victor J. Evans (2) · Arthur C. Fraser & Usina (2) · H. B. Willson & Co. (2)
Assigned to:
None (665) · 1 (17)
IPCs:
None (497) · IPC B64B1/00 (57) · IPC B64C33/02 (17) · IPC B64C33/00 (14) · IPC B64C31/00 (12) · IPC B64C31/06 (10) · IPC B64B1/40 (8) · IPC B64C39/00 (7) · IPC B64C9/00 (6) · IPC B64C11/001 (5) · IPC B64B1/62 (5) · IPC B64F1/06 (4) · IPC B64C3/14 (4) · IPC B64C23/005 (4) · IPC A63H27/00 (4) · IPC B64C3/38 (3) · IPC B64C3/00 (3) · IPC B64C27/00 (3) · IPC B64C2700/6295 (3)
CPCs:
None (165) · CPC B64B1/00 (68) · CPC B64C11/006 (45) · CPC B64C33/02 (31) · CPC B64C11/48 (20) · CPC A63H27/08 (19) · CPC B64C23/005 (18) · CPC F05B2260/74 (17) · CPC B64C11/36 (15) · CPC B64B1/40 (15) · CPC B64C11/343 (14) · CPC B64C39/005 (13) · CPC B64C11/065 (12) · CPC B63H1/12 (12) · CPC B63H1/04 (10) · CPC B64C11/001 (10) · CPC B64C9/00 (10) · CPC Y10T24/3747 (9) · CPC B64C27/12 (8) · CPC B64C11/346 (8)
First filing:
Citations from after 1930:

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