Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : Orthopter or safety

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Application number:
None (232) · 371992D (2)
Granted:
Supplementary to patent:
None (293) · Patent US-1910-1011683 (6) · Patent FR-1912-450892 (5) · Patent FR-1912-449070 (5) · Patent BE-1914-264437 (4) · Patent US-1913-04-21 George Raymond Lawrence (4) · Patent GB-1902-24336 (4) · Patent US-1908-935766 (3) · Patent FR-1913-450892.17436 (3) · Patent FR-1906-363017 (3) · Patent FR-1891-215265 (3) · Patent DE-1912-279343 (3) · Patent DE-1909-Wilcke-Graff (3) · Patent CH-1909-48028 (3) · Patent FR-1908-407090 (3) · Patent AT-1909-12-31 Vigilio Baldo (3)
Related to aircraft:
Patent agent:
None (186) · Armengaud jeune (12) · H. Bœttcher fils (8) · Marks & Clerk (8) · None (7) · Victor J. Evans (7) · G. de Mestral et F. Harlé (7) · L. Chassevent (6) · H. C. Everett Co. (6) · Brandon frères (6) · Wheatley & Mackenzie (5) · Raclot (4) · Munn & Co. (4) · J. Germain (4) · Herbert Haddan & Co. (4)
National tech categories:
FR 6.4 (108) · None (83) · FR 6.3 (22) · BE K (13) · HU V/h (10) · USPC 244/139 (10) · USPC 244/30 (9) · DE 77h (7) · AT 77d (7) · AU 90.3 (5) · USPC 244/99 (5) · DE 77h.15 (5)
IPCs:
None (211) · IPC B64B1/00 (32) · IPC B64C39/00 (20) · IPC B64D17/00 (16) · IPC B64C17/00 (10) · IPC B64C33/02 (9) · IPC B64C11/00 (6) · IPC B64C1/00 (6) · IPC B64B1/58 (6) · IPC B64D17/54 (5) · IPC A41D31/00 (5) · IPC B64B1/62 (5) · IPC B64C23/00 (4) · IPC B64B1/66 (4) · IPC B64B1/60 (4) · IPC B64B1/40 (4) · IPC B64C27/04 (4)
CPCs:
None (145) · CPC B64B1/00 (35) · CPC B64D17/00 (16) · CPC B64C17/00 (15) · CPC B64B1/40 (13) · CPC B64C33/02 (10) · CPC B64B1/58 (9) · CPC B64B1/62 (8) · CPC B64C39/00 (8) · CPC B64C23/005 (7) · CPC B64C2700/6295 (7) · CPC B64C39/08 (6) · CPC B64C27/006 (6) · CPC B64C13/00 (6) · CPC B64C39/005 (6) · CPC B64C35/00 (5) · CPC B64C33/00 (5) · CPC B64D17/54 (5) · CPC B64D17/80 (5) · CPC B64C11/006 (5)
First filing:
Citations from after 1930:
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