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Patents > Inventor country: None & Tech fields : Landing or None

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None (1641)
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Related to aircraft:
National tech categories:
None (1693) · USPC 244/139 (14) · USPC 244/147 (12) · FR 6.3 (12) · USPC 244/142 (11) · USPC 244/153R (9) · USPC 244/53A (7) · USPC 244/149 (7) · GB 4 with buoyant (5) · GB 4 propel & steer (4) · USPC 244/65 (4) · USPC 244/3.1 (4) · USPC 244/3.14 (4) · DE 77 (4) · USPC 244/138R (4) · MX F. III (3) · USPC 244/3.23 (3) · USPC 244/143 (3) · DE 77h.5 (3) · GB 4 without buoyant (3)
CPCs:
None (1187) · CPC B64C11/006 (103) · CPC B64C11/346 (63) · CPC B64C11/48 (51) · CPC Y02E10/722 (30) · CPC F03D11/00 (30) · CPC B63H1/12 (30) · CPC B64C11/343 (28) · CPC B64C11/36 (25) · CPC B64C11/06 (25) · CPC F05B2260/74 (25) · CPC B63H1/04 (24) · CPC B64C2700/6295 (20) · CPC B64C27/33 (19) · CPC B64C39/00 (17) · CPC F03D1/025 (17) · CPC B64C3/48 (16) · CPC B64C35/00 (14) · CPC B64C3/00 (14)
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