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Patents > National tech categories : FR 6.4 or USPC 244/90R & Number of claims: 4-20000000

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None (369) · Patent FR-1909-403418 (3) · Patent FR-1909-410140 (2) · Patent FR-1910-430552 (2) · Patent GB-1912-26911 (2) · Patent GB-1912-7553 (2) · Patent FR-1912-446040 (2) · Patent IT-1910-10-17 Carlo Navaro (2) · Patent IT-1913-03-20 Vigilio Baldo (2) · Patent FR-1909-408644 (2) · Patent FR-1911-448337 (2) · Patent DE-1911-11-16 Otto Albin Budig (2) · Patent FR-1911-431131 (2) · Patent FR-1911-431862 (2) · Patent AT-1909-12-31 Vigilio Baldo (2)
Related to aircraft:
Patent agent:
Armengaud jeune (81) · None (49) · E. Blétry (38) · None (37) · Dupont et Elluin (22) · L. Chassevent (20) · Charles Dony (16) · Schwab (14) · Lavoix et Mosès (14) · Borame et Julien (13) · H. Bœttcher fils (13) · Hippolyte Josse (13) · J. Bonnet-Thirion (12) · Ch. Mardelet (10) · J. Germain (9) · C. Baumann (8) · C. Blétry (8) · J. Bonnet-Thirion et Breton (7)
National tech categories: (Click arrow to add another value)
IPCs:
IPC B64C39/00 (82) · IPC B64C17/00 (74) · IPC B64C1/00 (66) · None (43) · IPC B64B1/00 (39) · IPC B64C3/38 (27) · IPC B64C23/00 (23) · IPC B64C33/02 (23) · IPC B64C3/00 (21) · IPC B64C35/00 (15) · IPC B64B1/58 (14) · IPC B64C11/00 (13) · IPC B64C27/04 (12) · IPC B64C33/00 (11) · IPC B64C17/06 (11) · IPC B64C13/00 (10) · IPC B64C3/52 (9) · IPC B64D1/04 (8) · IPC B64C3/54 (7) · IPC B64C25/00 (7)
CPCs:
CPC B64C17/00 (81) · CPC B64C39/00 (67) · CPC B64C2700/6295 (42) · CPC B64B1/00 (37) · CPC B64C2700/6218 (26) · CPC B64C33/02 (25) · CPC B64C13/00 (24) · CPC B64C3/385 (24) · CPC B64C23/005 (23) · CPC B64C3/00 (19) · CPC B64C1/00 (16) · CPC B64C2700/6212 (16) · CPC B64C2700/6214 (15) · CPC B64B1/58 (14) · CPC B64C2700/6274 (14) · CPC B64C2700/6233 (13) · CPC B64C33/00 (13) · CPC B64C35/00 (12) · CPC B64C17/06 (12) · CPC B64C3/52 (11)
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