Drilldown: Patents

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Patents > Office : DE or FR & National tech categories : USPC 244/3.23 or USPC 244/30 or None & IPCs : IPC B64C3/00 or None

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Office: (Click arrow to add another value)
Applicant is inventor:
Tech fields:
None (1277) · LTA (145) · navigation (104) · Balloon (76) · propulsion (67) · Airplane (32) · balloons (22) · propellers (18) · instrument (14) · frame (12) · marine (12) · aerostat (12) · stability (11) · propeller (10) · Dirigible (10) · wings (10) · Airship (10) · control (9) · lift (9)
Full specification filed date:
Application number:
Granted:
Supplementary to patent:
None (1691) · Patent FR-1880-139386 (2) · Patent FR-1913-466329 (2) · Patent FR-1914-466329.18996 (2)
Related to aircraft:
Patent agent:
None (1690) · Armengaud aîné (3) · Armengaud jeune (3) · Casalonga (2) · Abel & Imray (2)
National tech categories: (Click arrow to add another value)
IPCs: (Click arrow to add another value)
CPCs:
None (621) · CPC B64C39/00 (135) · CPC B64C2700/6295 (125) · CPC B64C17/00 (92) · CPC B64C23/005 (64) · CPC B64C33/02 (59) · CPC B64C2700/6274 (53) · CPC B64C3/385 (47) · CPC B64C3/00 (41) · CPC B64C35/00 (38) · CPC B64C11/006 (37) · CPC B64C2700/6212 (33) · CPC B64C2700/6281 (27) · CPC B64C13/00 (27) · CPC B64C2700/6256 (24) · CPC B64C1/00 (24) · CPC B64C2700/6219 (22) · CPC B64C2700/6218 (22) · CPC B64C33/00 (21) · CPC B64C2700/6235 (20)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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