Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : construction or None

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Inventor country:
None (2338) · US (1615) · FR (1157) · GB (609) · DE (391) · IT (91) · AT (65) · CH (64) · CA (53) · BE (44) · HU (30) · AU (23) · RO (17) · RU (17) · NZ (15) · NL (14) · NO (11) · SE (11) · MX (9) · ES (8)
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Related to aircraft:
Assigned to:
None (6578)
IPCs:
None (5543) · IPC B64C39/00 (150) · IPC B64C17/00 (88) · IPC B64C1/00 (84) · IPC B64C3/00 (74) · IPC B64C3/38 (63) · IPC B64C23/00 (56) · IPC B64B1/00 (42) · IPC B64C3/18 (34) · IPC B64C3/54 (28) · IPC B64C33/02 (26) · IPC B64C35/00 (24) · IPC B64C13/00 (24) · IPC B64C25/00 (22) · IPC B64C11/00 (22) · IPC B64B1/58 (22) · IPC B64C27/04 (22) · IPC B64C3/56 (19) · IPC B64C1/06 (17) · IPC B64C5/04 (14)
First filing:
Cites these patents:
None (6572) · 0 (5) · 1 (3) · Patent AT-1909-47911 (3)
Citations from after 1930:

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