Drilldown: Patents

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Patents > Applicant firm: None & Applicant type : INDIV or А. Нейфельд & Tech fields : balloon or wings & Cites these patents: None

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Inventor country:
FR (411) · US (178) · DE (166) · GB (99) · None (45) · AT (44) · HU (37) · RU (36) · IT (30) · BE (24) · CH (23) · ES (14) · AU (14) · RO (12) · AH (9) · Poland (8) · Prussia (7) · DK (6) · NL (6) · BR (5)
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Related to aircraft:
National tech categories:
FR 6.4 (339) · None (268) · FR 6.3 (56) · HU V/h (47) · BE K (44) · AT 77d (43) · DE 77h.5 (26) · DE 77 (20) · IT 8 (14) · RU Group V (12) · DK 77 (12) · DE 77h (12) · USPC 244/30 (12) · GB 4 propel & steer (10) · USPC 244/97 (10) · GB 4 with buoyant (7) · CH 115 (7) · GB 4 aërostats (7)
IPCs:
None (545) · IPC B64B1/00 (80) · IPC B64C39/00 (66) · IPC B64C17/00 (46) · IPC B64C1/00 (42) · IPC B64C3/00 (41) · IPC B64C33/02 (31) · IPC B64C3/38 (25) · IPC B64B1/58 (23) · IPC B64C3/54 (19) · IPC B64C3/52 (19) · IPC B64C23/00 (18) · IPC B64B1/40 (17) · IPC B64C3/56 (17) · IPC B64C13/00 (14) · IPC B64C11/00 (14) · IPC B64C3/48 (13) · IPC B64C33/00 (12) · IPC B64C3/14 (9) · IPC B64B1/62 (9)
CPCs:
None (430) · CPC B64B1/00 (91) · CPC B64C17/00 (51) · CPC B64C39/00 (47) · CPC B64C33/02 (42) · CPC B64C3/00 (40) · CPC B64C2700/6295 (39) · CPC B64B1/40 (36) · CPC B64B1/58 (29) · CPC B64C13/00 (27) · CPC B64C2700/6233 (25) · CPC B64C23/005 (22) · CPC B64C3/52 (22) · CPC B64C2700/6218 (20) · CPC B64C3/385 (18) · CPC B64C3/56 (18) · CPC B64C3/54 (17) · CPC B64C3/14 (15) · CPC B64B1/62 (15) · CPC B64C33/00 (15)
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