Drilldown: Patents

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Patents > Filing date: 1800 - 1899 & Patent agent : E. Blétry or None

Use the filters below to narrow your results.

Applicant is inventor:
Application number:
None (1164)
Granted:
Supplementary to patent:
None (1034) · Patent FR-1841-9265 (6) · Patent CH-1899-18666 (5) · Patent DE-1899-123884 (5) · Patent DE-1895-98580 (5) · Patent FR-1891-216860 (4) · Patent FR-1891-215265 (4) · Patent FR-1836-5429 (3) · Patent FR-1898-275602 (3) · Patent FR-1878-124576 (3) · Patent DE-1894-76727 (3) · Patent FR-1898-278192 (3) ·   (3) · Patent FR-1899-Boinet (3)
Related to aircraft:
Patent agent: (Click arrow to add another value)
Assigned to:
None (1155) · Dewey Corporation (2) · Syracuse, NY (2) · Thenen (2) · Charles Spear (2)
IPCs:
None (1004) · IPC B64B1/00 (29) · IPC B64C33/02 (14) · IPC B64C31/06 (11) · IPC B64B1/40 (9) · IPC B64C11/00 (8) · IPC B64C31/00 (6) · IPC F42B10/00 (6) · IPC B64B1/58 (6) · IPC B64B1/06 (5) · IPC A01H5/02 (5) · IPC B64B (5) · IPC B64B1/62 (4) · IPC B64C39/00 (4) · IPC B64C23/00 (4)
CPCs:
None (866) · CPC B64B1/00 (46) · CPC A63H27/08 (22) · CPC B64C11/006 (20) · CPC B64B1/40 (19) · CPC B64C33/02 (15) · CPC F42B10/30 (14) · CPC B64B1/58 (10) · CPC B64C11/00 (10) · CPC B64C23/005 (9) · CPC F01D5/06 (9) · CPC B64C27/54 (8) · CPC B64C11/48 (7) · CPC F05B2260/74 (7) · CPC Y02E10/74 (6) · CPC Y02E10/72 (6)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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