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Patents > Office : BE or ES or LU or NL or NO or Other & Filing date: 1800 - 1899 & Number of figures: 2-4

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Office: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
LTA (106) · Propulsion (64) · balloon (42) · navigation (38) · propeller (36) · frame (31) · car (29) · Kite (23) · military (23) · projectile (20) · marine (19) · None (19) · parachute (15) · stability (15) · rudder (14) · design (12) · safety (12) · flapping (12) · Hybrid (11) · gas (10)
Full specification filed date:
Granted:
Related to aircraft:
Patent agent:
None (178) · Munn & Co. (26) · None (4) · C. A. Snow & Co. (3) · A. Ritter (3) · 1 (2) · John Wedderburn (2) · Phillips & Leigh (2)
National tech categories:
None (75) · DE 77 (55) · USPC 244/3.23 (14) · USPC 244/153R (12) · USPC 244/30 (9) · GB 4 propel & steer (8) · HU V/h (7) · DE 77h (5) · USPC 244/28 (5) · GB 4 with buoyant (5) · USPC 416/113 (5) · USPC 416/194 (5) · CH 115 (4) · GB 4 without buoyant (4) · FR 5 (4) · USPC 244/155R (4)
IPCs:
None (218) · IPC B64B1/00 (22) · IPC B64C31/06 (15) · IPC B64C31/00 (12) · IPC F42B10/00 (7) · IPC B64C33/02 (6) · IPC B64B1/06 (4) · IPC B64B1/58 (4) · IPC B64C23/00 (3) · IPC B64B1/62 (3) · IPC F42B10/34 (2) · IPC B64C39/00 (2) · IPC B64C3/38 (2) · IPC B64C29/00 (2) · IPC B64C11/006 (2) · IPC B64C3/00 (2)
CPCs:
None (94) · CPC B64B1/00 (26) · CPC B64C27/54 (15) · CPC A63H27/08 (15) · CPC B64C11/006 (15) · CPC Y10T403/4677 (10) · CPC F42B10/30 (10) · CPC F16B2/02 (10) · CPC B64C11/48 (10) · CPC B64C11/04 (10) · CPC B64B1/40 (10) · CPC F16B2200/40 (9) · CPC Y02E10/72 (7) · CPC B64C11/00 (6) · CPC F01D5/06 (6)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:
Number of figures:

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