Drilldown: Patents

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Patents > Tech fields : dirigible or None & Number of figures: 3-5

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None (360) · Patent BE-1909-219377 (3) · Patent BE-1910-12-28-Muehter (3) · Patent US-1911-1032812 (3) · Patent DE-1911-258741 (2) · Patent NZ-1909-25865 (2) · Patent FR-1904-342610 (2) · Patent GB-1910-5703 (2) · Patent BE-1912-04-05 (2) · Patent FR-1909-408197 (2) · Patent BE-1912-02-07-Gramaticesco (2) · Patent US-1912-1077892 (2) · Patent GB-1908-28547 (2) · Patent US-1912-1080531 (2)
Related to aircraft:
Patent agent:
None (85) · None (18) · Munn & Co. (9) · Haseltine, Lake & Co. (8) · Brandon frères (8) · Brewer & Son (7) · Marks & Clerk (6) · Victor J. Evans (6) · Boramé et Julien (6) · Chassevent (6) · L. Chassevent (5) · C. A. Snow & Co. (5) · J. S. Withers & Spooner (5)
National tech categories:
None (167) · FR 6.4 (120) · USPC 244/45R (11) · FR 6.3 (10) · DE 77 (8) · DE 77h.5 (8) · USPC 244/233 (8) · USPC 244/6 (4) · USPC 244/80 (4) · FR 5.3 (3) · HU V/h (3) · RU Group V (3) · USPC 244/90R (3) · FR 10.1 (3) · USPC 244/234 (3) · USPC 244/20 (3) · AT 77d (3) · DE 77h (3) · USPC 244/48 (3)
IPCs:
None (171) · IPC B64C39/00 (46) · IPC B64B1/00 (24) · IPC B64C3/38 (23) · IPC B64C17/00 (20) · IPC B64C3/00 (18) · IPC B64C1/00 (17) · IPC B64C23/00 (15) · IPC B64C13/00 (13) · IPC B64C35/00 (13) · IPC B64C33/02 (9) · IPC B64C5/04 (7) · IPC B64C3/54 (7) · IPC B64C27/04 (6) · IPC B64C25/00 (5) · IPC B62C5/04 (4) · IPC B64C11/00 (4)
CPCs:
CPC B64C2700/6295 (51) · None (42) · CPC B64C39/00 (31) · CPC B64C17/00 (31) · CPC B64C3/385 (31) · CPC B64B1/00 (29) · CPC B64C13/00 (23) · CPC B64C23/005 (22) · CPC B64C3/00 (18) · CPC B64C39/08 (15) · CPC B64C35/00 (14) · CPC B64C2700/6235 (12) · CPC B64C33/02 (11) · CPC B64C2700/6274 (11) · CPC B64C39/005 (10) · CPC B64C2700/6218 (10) · CPC B64C2700/6256 (9) · CPC B64C9/00 (7) · CPC B64C2700/6214 (7)
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