Drilldown: Patents

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Patents > National tech categories : DE 77h or FR 6.3 or USPC 244/22

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Office:
Inventor location:
None (634) · Chicago (3) · Tarn-et-Garonne (2) · Paris (2)
Applicant is inventor:
Full specification filed date:
Application number:
None (482)
Granted:
Supplementary to patent:
None (532) · Patent FR-1881-142748 (3) · Patent FR-1878-124576 (3) · Patent FR-1893-233439 (2) · Patent FR-1893-228892 (2) · Patent FR-1892-225358 (2) · Patent FR-1891-217128 (2) · Patent FR-1890-205155 (2) · Patent FR-1909-420004 (2) · Patent FR-1901-317232 (2) · Patent FR-1902-317598 (2) · Patent FR-1883- (2) · Patent FR-1881-143296 (2) · Patent FR-1898-275602 (2) · Patent FR-1902-326476 (2) · Patent FR-1907-377174 (2) · Patent FR-1900-304673 (2) · Patent FR-1897-271948 (2) · Patent DE-1892-73603 (2) · Patent GB-1902-24336 (2)
Related to aircraft:
Patent agent:
None (300) · Armengaud jeune (25) · Chassevent (23) · None (15) · Blétry aîné (15) · Desnos (14) · Société Marillier et Robelet (13) · Armengaud aîné (10) · Hippolyte Josse (8) · Dumas (7) · Société Louis Gudman et Cie (7) · Munn & Co. (6) · Dieuaide (6) · Casalonga (6) · Émile Barrault (6) · Société Matray frères (5) · Thirion (5) · Weismann et Marx (5) · Josse (5) · C. Blétry (5)
National tech categories: (Click arrow to add another value)
IPCs:
None (482) · IPC B64B1/00 (55) · IPC B64C33/02 (18) · IPC B64C33/00 (13) · IPC B64C39/00 (13) · IPC B64B1/58 (10) · IPC B64B1/40 (9) · IPC B64C11/00 (8) · IPC B64C27/04 (6) · IPC B64C23/00 (5) · IPC B64C31/06 (5) · IPC B64C17/00 (3) · IPC B64B1/64 (2) · IPC B64C35/00 (2) · IPC B64B1/38 (2) · IPC B64C1/00 (2) · IPC B64C13/02 (2) · IPC B64C31/04 (2)
CPCs:
None (419) · CPC B64C33/02 (78) · CPC B64B1/00 (55) · CPC B64B1/40 (9) · CPC B64B1/58 (8) · CPC B64C23/005 (6) · CPC A63H27/08 (6) · CPC B64C39/005 (6) · CPC B64C2700/6281 (5) · CPC B64C33/00 (5) · CPC B64C39/00 (5) · CPC B64C17/00 (4) · CPC B64C2700/6295 (3) · CPC B64C27/12 (3) · CPC B64C11/006 (3) · CPC B64C11/001 (3) · CPC B64C39/003 (3)
First filing:
Cites these patents:
Citations from after 1930:
Number of diagram pages:

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