Drilldown: Patents

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Patents > Tech fields : construction or design or propulsion & Filing date: 1800 - 1899 & Patent agent : E. Blétry or None

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Office:
Applicant person:
None (144) · Rudolf Krocker (4) · Albert Livingstone Blackman (3) · Richard Czygan (3) · Edward Zarski (3) · Jean Dusséqué (3) · Pierre-Marie Touboulic (2) · Richard William Cowan (2) · Hugh Bell (2) · Charles Pagé (2) · Ernst Georg August Baumgarten (2) · Raphael Ernst May (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Granted:
Supplementary to patent:
None (215) · Patent CH-1899-18666 (4) · Patent FR-1898-275602 (3) · Patent FR-1898-278192 (3) · Patent DE-1899-123884 (3) · Patent FR-1899-284713 (2) · Patent DE-1893-73799 (2) · Patent CA-1878-8860 (2) · Patent US-1890-432860 (2)
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
None (74) · DE 77 (41) · GB 4 propel & steer (18) · GB 4 without buoyant (13) · FR 6.3 (12) · GB 4 with buoyant (11) · GB 4 (10) · USPC 244/30 (9) · FR 5 (7) · HU V/h (7) · GB 4 framework (6) · FR 6 (5) · USPC 244/99 (4) · DE 77h (4) · GB 4 motors (4) · FR 3 (3) · GB 4 aërostats (3) · USPC 244/51 (3) · USPC 244/27 (3) · DK 77 (3)
IPCs:
None (209) · IPC B64B1/00 (13) · IPC B64C11/00 (4) · IPC B64B1/40 (4) · IPC B64B1/06 (3) · IPC B64C39/00 (3) · IPC B64C29/00 (2) · IPC B64C33/02 (2) · IPC B64C39/008 (2) · IPC B64C9/00 (2)
CPCs:
None (189) · CPC B64B1/00 (22) · CPC B64C23/005 (5) · CPC B64C11/006 (5) · CPC B64B1/40 (3) · CPC B64C9/00 (3) · CPC B64C39/008 (3) · CPC B64C39/005 (3) · CPC B64C33/02 (3) · CPC B64C11/00 (3) · CPC B64B1/58 (3) · CPC F01D5/06 (2) · CPC B64C33/00 (2) · CPC B64B1/50 (2) · CPC B64C27/54 (2)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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