Drilldown: Patents

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Patents > Tech fields : HTA or propellers & Number of claims: 3-4

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Office:
Inventors:
None (7) · Paul Frederik Degn (5) · Carl Hanschke (4) · Antoine-Padoue Filippi (3) · Louis-Marie Le Dantec (3) · Oszkár Asbóth (3) · David Henderson Blake (3) · Otto Schüle (3) · Louis Blériot (3) · Ruter William Springer (3) · John Washington Wilson (3) · Lucien Chauvière (3) · John Edward Thompson (3)
Inventor country:
Inventor location:
None (184) · Budapest (10) · Seine (3) · Paris (2) · Missouri (2)
Applicant person:
None (9) · Paul Frederik Degn (5) · Carl Hanschke (4) · Louis-Marie Le Dantec (3) · Otto Schüle (3) · John Washington Wilson (3) · Antoine-Padoue Filippi (3) · Lucien Chauvière‎‎ (3) · Ruter William Springer (3) · Louis Blériot (3) · John Edward Thompson (3) · David Henderson Blake (3)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Application number:
None (49)
Granted:
Supplementary to patent:
None (138) · Patent DE-1910-06-18 Carl Hanschke (4) · Patent DE-1909-220044 (4) · Patent DE-1907-214228 (4) · Patent US-1909-970771 (3) · Patent FR-1911-430455 (2) · Patent CA-1918-196108 (2) · Patent FR-1909-402649 (2) · Patent US-1912-1033662 (2)
Related to aircraft:
Patent agent:
None (73) · Armengaud jeune (12) · Boult, Wade & Tennant (10) · Marks & Clerk (7) · None (5) · E. Blum & Co. (4) · Haseltine, Lake & Co. (4) · J. Bonnet-Thirion (4) · E. Blétry (3) · Hippolyte Josse (3) · Schwab (3) · L. Chassevent (3) · Arthur C. Downing (3)
National tech categories:
None (79) · FR 6.4 (57) · HU V/h (31) · FR 6.2 (6) · AT 77d (6) · CH 129b (4) · DE 77h.6 (3) · FR 6.3 (2) · USPC 244/113 (2) · USPC 244/87 (2) · DK 77 (2) · USPC 244/6 (2)
IPCs:
None (89) · IPC B64C39/00 (22) · IPC B64C11/00 (16) · IPC B64C11/04 (8) · IPC B64C1/00 (7) · IPC B64C11/16 (6) · IPC B64C23/00 (6) · IPC B64C27/04 (5) · IPC B64B1/00 (5) · IPC B64D35/04 (4) · IPC B64C11/36 (4) · IPC B64D27/00 (3) · IPC B64C33/02 (3) · IPC B63H1/12 (3)
CPCs:
None (58) · CPC B64C39/00 (13) · CPC B64C11/006 (9) · CPC B64C23/005 (9) · CPC B64C2700/6295 (8) · CPC B64C11/04 (8) · CPC B64C11/16 (7) · CPC B64C2700/6274 (6) · CPC B64C2700/6281 (5) · CPC B64B1/00 (5) · CPC B64C1/00 (5) · CPC B64C11/00 (5) · CPC B64C39/005 (5) · CPC B64C39/08 (4) · CPC B64D35/04 (4) · CPC B64C13/00 (4) · CPC B64C11/36 (4)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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