Drilldown: Patents

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Patents > Tech fields : Safety or balloon & First filing: Yes

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None (189)
Granted:
Supplementary to patent:
None (346) ·   (2) · Patent DE-1912-279343 (2) · Patent DE-1911-258741 (2) · Patent DE-1909-Wilcke-Graff (2) · Patent DE-1908-250958 (2)
Related to aircraft:
Patent agent:
None (184) · Munn & Co. (13) · Marks & Clerk (11) · Victor J. Evans (8) · H. C. Everett Co. (6) · None (5) · Armengaud jeune (5) · L. Chassevent (5) · J. Bonnet-Thirion (4) · Herbert Haddan & Co. (4) · H. Bœttcher fils (3) · Watson E. Coleman (3) · G. de Mestral et F. Harlé (3) · Wheatley & Mackenzie (3) · Haseltine, Lake & Co. (3) · Société J.P. Bonnicart et Cie. (3) · D. W. Glassie (3)
National tech categories:
None (93) · FR 6.4 (55) · FR 6.3 (14) · USPC 244/30 (14) · USPC 244/97 (10) · USPC 244/26 (8) · USPC 244/99 (8) · USPC 244/127 (8) · DE 77 (8) · USPC 244/28 (7) · DE 77h.4 (7) · USPC 244/139 (7)
IPCs:
None (191) · IPC B64B1/00 (64) · IPC B64B1/58 (16) · IPC B64B1/40 (9) · IPC B64B1/62 (9) · IPC B64C39/00 (9) · IPC B64D17/00 (7) · IPC B64B1/60 (4) · IPC B64B1/64 (4) · IPC B64C1/00 (4) · IPC B64C17/00 (4) · IPC B64C23/00 (4) · IPC B64C33/02 (3) · IPC B64B1/66 (3) · IPC B64C5/04 (3) · IPC B64D17/54 (3)
CPCs:
None (97) · CPC B64B1/00 (75) · CPC B64B1/40 (37) · CPC B64B1/58 (23) · CPC B64B1/62 (16) · CPC B64D17/00 (8) · CPC B64C17/00 (7) · CPC B64C23/005 (7) · CPC B64C2700/6295 (6) · CPC B64C39/008 (5) · CPC B64C13/00 (5) · CPC B64C27/006 (5) · CPC B64C33/02 (5) · CPC B64C39/08 (5) · CPC B64C9/38 (4) · CPC B64C39/00 (4) · CPC B64C2700/6273 (4) · CPC B64C11/001 (4)
First filing: (Click arrow to add another value)
Citations from after 1930:

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