Drilldown: Patents

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Patents > Office : ES or FR or IT or Other & Applicant firm : Société anonyme Astra AB or None & Related to aircraft: 1 & Family year: 1900 - 1999 & First filing: No

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Office: (Click arrow to add another value)
Inventor country:
FR (873) · US (281) · DE (252) · GB (163) · AT (67) · None (66) · IT (57) · CH (39) · BE (35) · AU (23) · RU (20) · HU (16) · CA (16) · RO (12) · NL (11) · AR (9) · DK (8) · NO (7) · SE (7)
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Related to aircraft: (Click arrow to add another value)
National tech categories:
None (1182) · FR 6.4 (366) · HU V/h (54) · RU Group V (33) · AT 77d (32) · DE 77h.5 (27) · IT 8 (19) · DK 77 (14) · FR 6.2 (12) · FR 6.3 (12) · BE K (11) · DE 77h.9 (9) · FR 12.2 (9) · CH 129b (8) · NL 62 (5) · FR 20.1 (5) · FR 5.3 (5) · DE 77h (5) · AU 90.5 (5)
IPCs:
None (1309) · IPC B64C39/00 (78) · IPC B64C17/00 (75) · IPC B64C1/00 (51) · IPC B64C11/00 (29) · IPC B64C35/00 (28) · IPC B64C13/00 (25) · IPC B64C23/00 (22) · IPC B64C3/38 (21) · IPC B64B1/00 (19) · IPC B64C33/02 (18) · IPC B64C3/00 (16) · IPC B64C27/04 (14) · IPC B64B1/58 (14) · IPC B64C3/56 (11) · IPC B64C25/00 (11) · IPC B64C3/54 (11) · IPC G01S1/72 (9) · IPC B64C33/00 (8)
First filing: (Click arrow to add another value)
Citations from after 1930:
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