Drilldown: Patents

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Patents > Year filed: 1912 & Number of claims: 3-4 & Number of figures: 5-20

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Year filed:
(There are no values for this filter)
Year granted:
Office:
Inventors:
None (8) · Louis Constantin (7) · Jan Jaakson (4) · David Henderson Blake (3) · Henri-Marie Coandă (2) · Henri-Hubert Pagny (2) · Thomas Augustus Dring (2) · Auguste-Blaise Baron (2) · François Dergint (2) · Robert Cooke Sayer (2)
Inventor country:
Applicant person:
None (9) · Louis Constantin (7) · Jan Jaakson (4) · David Henderson Blake (3) · Robert Cooke Sayer (2) · Henri-Hubert Pagny (2) · François Dergint (2) · Henri-Marie Coandă (2) · Auguste-Blaise Baron (2)
Applicant is inventor:
Tech fields:
Application number:
None (27)
Granted:
Publication date:
Supplementary to patent:
None (64) · Patent ES-1911-50083 (5) · Patent GB-1911-12232 (4) · Patent CH-1912-62201 (3) · Patent FR-1911-449265 (2) · Patent GB-1911-5162 (2) · Patent US-1912-1033662 (2)
Related to aircraft:
Patent agent:
None (24) · Victor J. Evans (5) · Haseltine, Lake & Co. (4) · Armengaud jeune (4) · Schwab (4) · H. Boettcher fils (3) · Dupont et Elluin (3) · P. R. J. Willis (2) · Hippolyte Josse (2) · Marks & Clerk (2) · Charles Dony (2) · Charles Assi (2) · A. M. & William Clark (2) · C. A. Snow & Co. (2) · Boult, Wade, and Tennant (2)
National tech categories:
None (28) · FR 6.4 (26) · HU V/h (6) · FR 6.2 (5) · USPC 244/35R (3) · USPC 244/87 (2) · USPC 244/48 (2) · DE 77h.5 (2) · USPC 244/22 (2) · AU 90.3 (2) · AT 77d (2)
IPCs:
None (41) · IPC B64C1/00 (9) · IPC B64C39/00 (8) · IPC B64C17/00 (6) · IPC B64C3/00 (5) · IPC B64C25/00 (3) · IPC B64C23/00 (3) · IPC B64C5/04 (2) · IPC B63H1/12 (2) · IPC B63H1/26 (2) · IPC F42C15/295 (2) · IPC B64B1/00 (2) · IPC B64D1/04 (2) · IPC B64C1/26 (2) · IPC B64C11/18 (2) · IPC B64C3/56 (2)
CPCs:
None (19) · CPC B64C17/00 (8) · CPC B64B1/00 (5) · CPC B64C23/005 (5) · CPC B64C39/00 (5) · CPC B64C2700/6295 (5) · CPC B64C3/385 (4) · CPC B64C3/00 (4) · CPC B64C1/00 (3) · CPC B64F2700/6226 (3) · CPC B64C2001/0081 (3) · CPC B63H1/26 (3)
Family year:
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First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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