Drilldown: Patents

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Patents > Applicant firm: None & IPCs : IPC B64B1/58 or IPC B64C23/00 or IPC B64C3/00 or IPC B64C39/00

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FR (426) · US (174) · DE (129) · GB (126) · AT (26) · IT (17) · None (16) · BE (12) · RU (12) · CH (11) · AU (8) · DZ (8) · RO (7) · NL (7) · HU (7) · CA (6) · IE (6) · ES (3) · MX (3) · ZA (3)
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National tech categories:
FR 6.4 (563) · None (261) · FR 6.3 (22) · DE 77h.5 (16) · USPC 244/45R (13) · DE 77 (12) · USPC 244/13 (10) · USPC 244/48 (8) · DE 77h (7) · USPC 244/70 (6) · USPC 244/46 (6) · DE 77h.11 (6) · FR 6.2 (5) · FR 5.3 (4) · DE 77h.4 (4) · USPC 244/27 (4) · DE 77h.7 (4)
IPCs: (Click arrow to add another value)
CPCs:
CPC B64C39/00 (292) · CPC B64C2700/6295 (258) · CPC B64C23/005 (168) · CPC B64B1/58 (161) · CPC B64C3/00 (146) · CPC B64C2700/6274 (106) · CPC B64C39/005 (64) · CPC B64C2700/6235 (59) · CPC B64C2700/6233 (53) · CPC B64C39/08 (47) · CPC B64C39/008 (29) · CPC B64C39/003 (19) · CPC B64C2700/6273 (16) · CPC B64C39/006 (12) · CPC B64C3/385 (12) · CPC B64C2700/6271 (9) · None (9) · CPC B64C23/00 (5) · CPC B64C3/56 (5)
First filing:
Cites these patents:
None (998)
Citations from after 1930:
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