Drilldown: Patents

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Patents > Applicant firm: None & Tech fields : balloon or wings

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Inventor country:
FR (485) · US (204) · DE (197) · None (129) · GB (114) · AT (47) · HU (38) · IT (37) · RU (36) · CH (25) · BE (24) · ES (16) · AU (15) · RO (12) · AH (9) · Poland (8) · NL (7) · Prussia (7) · DK (6)
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Related to aircraft:
National tech categories:
None (364) · FR 6.4 (350) · FR 6.3 (70) · HU V/h (48) · AT 77d (46) · BE K (44) · FR 5 (40) · DE 77 (33) · DE 77h.5 (27) · IT 8 (24) · GB 4 with buoyant (17) · DE 77h (15) · USPC 244/30 (15) · GB 4 aërostats (15) · DK 77 (12) · RU Group V (12) · GB 4 propel & steer (12) · USPC 244/97 (11) · DE 77h.4 (10) · USPC 244/25 (9)
IPCs:
None (757) · IPC B64B1/00 (89) · IPC B64C39/00 (70) · IPC B64C17/00 (46) · IPC B64C1/00 (42) · IPC B64C3/00 (41) · IPC B64C33/02 (32) · IPC B64C3/38 (26) · IPC B64B1/58 (23) · IPC B64C3/54 (20) · IPC B64C3/52 (19) · IPC B64C3/56 (18) · IPC B64C23/00 (18) · IPC B64B1/40 (18) · IPC B64C13/00 (16) · IPC B64C33/00 (14) · IPC B64C11/00 (14) · IPC B64C3/48 (14) · IPC B64B1/62 (10) · IPC B64C3/14 (9)
CPCs:
None (619) · CPC B64B1/00 (104) · CPC B64C17/00 (51) · CPC B64C39/00 (49) · CPC B64C33/02 (45) · CPC B64C3/00 (42) · CPC B64B1/40 (42) · CPC B64C2700/6295 (41) · CPC B64B1/58 (36) · CPC B64C13/00 (30) · CPC B64C2700/6233 (25) · CPC B64C3/52 (22) · CPC B64C23/005 (22) · CPC B64C2700/6218 (20) · CPC B64C3/56 (19) · CPC B64C3/385 (19) · CPC B64C33/00 (18) · CPC B64C3/54 (18) · CPC B64B1/62 (17)
First filing:
Citations from after 1930:
Number of diagram pages:

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