Drilldown: Patents

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Patents > Tech fields : propulsion or stability & Number of claims: 4

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None (213) · Budapest (5) · England (4) · County of London (2) · Seine (2) · Seine-et-Oise (2) · Somme (2) · London (2) · Pennsylvania (2) · Nord (2) · Aisne (2) · Hampshire (2)
Applicant person:
None (24) · Henry Calder Lobnitz (5) · Louis Marmonier (3) · Georges de Bothezat (3) · Carl Hanschke (3) · Otto Schüle (3)
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Application number:
None (65)
Granted:
Supplementary to patent:
None (168) · Patent GB-1909-2111 (4) · Patent DE-1910-06-18 Carl Hanschke (3) · Patent DE-1909-220044 (3) · Patent BE-1911-05-15 Georges de Bothezat (3) · Patent HU-1901-24148 (2) · Patent FR-1912-447782 (2) · Patent DE-1909-05-03 Hans Lohmann (2) · Patent NO-1915-12-15 Carl Alfred Johansson (2)
Related to aircraft:
Patent agent:
None (66) · None (10) · Armengaud jeune (9) · Marks & Clerk (8) · Munn & Co. (6) · E. Blétry (6) · Brandon frères (5) · J. Germain (4) · Lavoix et Mosès (4) · Lloyd Wise & Co. (3) · Charles Dony (3) · C. A. Snow & Co. (3) · Browne & Co. (3) · Haseltine, Lake & Co. (3)
National tech categories:
None (78) · FR 6.4 (54) · HU V/h (18) · AT 77d (6) · USPC 244/70 (4) · USPC 244/93 (4) · FR 6.2 (4) · DE 77h.5 (3) · USPC 244/45R (3) · USPC 244/30 (3) · USPC 244/22 (3) · USPC 244/80 (3) · FR 6.3 (3) · DK 77 (3) · USPC 244/97 (3) · AU 90.5 (3) · AU 90.3 (3)
IPCs:
None (113) · IPC B64C17/00 (28) · IPC B64C1/00 (27) · IPC B64C39/00 (17) · IPC B64C17/06 (9) · IPC B64C11/00 (7) · IPC B64C13/00 (6) · IPC B64B1/00 (6) · IPC B64C27/04 (4) · IPC B64C23/00 (4) · IPC B64C3/38 (4) · IPC B64C33/02 (3) · IPC B64B1/58 (3)
CPCs:
None (54) · CPC B64C17/00 (40) · CPC B64C39/00 (11) · CPC B64C39/005 (10) · CPC B64C2700/6295 (10) · CPC B64C17/06 (10) · CPC B64B1/00 (9) · CPC B64C2700/6216 (9) · CPC B64C2700/6218 (8) · CPC B64C2700/6212 (7) · CPC B64C13/00 (7) · CPC B64C23/005 (7) · CPC B64C33/02 (6) · CPC B64C3/385 (6) · CPC B64C39/08 (6) · CPC B64C11/006 (5) · CPC B64C2700/6214 (5) · CPC B64C2700/6256 (5) · CPC B64C1/00 (4) · CPC B64C3/14 (4)
First filing:
Citations from after 1930:
Number of claims:
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