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Patents > Related to aircraft : 0 or 0.5 or 0?

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Tech fields:
None (79) · projectile (60) · military (58) · marine (31) · propulsion (23) · propeller (11) · hand tools (10) · marine propulsion (9) · windmill (9) · ballistics (9) · stability (9) · churn (9) · motor (8) · instrument (8) · Paddle-wheel (7) · propellers (7) · navigation (7)
Full specification filed date:
Application number:
None (266)
Granted:
Supplementary to patent:
None (318) · Patent FR-1913-466195 (5) · Patent FR-1909-406375 (2) · Patent FR-1911-432083 (2) · Patent GB-1885-339 (2) · Patent AT-1909-47656 (2)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (110) · None (20) · Munn & Co. (20) · Marks & Clerk (5) · C. A. Snow & Co. (5) · A. Ritter (4) · Boramé et Julien (3) · Brandon frères (3) · Victor J. Evans (3)
National tech categories:
None (173) · USPC 244/3.23 (36) · FR 10.1 (13) · USPC 244/3.3 (6) · USPC 102/371 (6) · GB 4 propel & steer (5) · FR 6.3 (5) · FR 5.3 (5) · USPC 24/713.8 (4) · USPC 244/3.1 (4) · USPC 244/3.27 (4) · FR 6.3? (4) · USPC 244/119 (3) · FR 6.1 (3) · FR 5.8 (3)
IPCs:
None (248) · IPC B64C5/04 (23) · IPC F42B10/00 (16) · IPC B62C5/04 (12) · IPC B64C3/00 (4) · IPC F42B10/50 (3) · IPC F42B10/34 (3) · IPC B64F1/20 (2) · IPC F01L1/42 (2) · IPC H01H29/10 (2) · IPC H01M4/64 (2) · IPC F42B10/14 (2) · IPC F03B9/00 (2) · IPC B60P3/05 (2) · IPC F42B10/26 (2) · IPC F24F7/02 (2)
First filing:
Citations from after 1930:
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