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Patents > Office : BE or CH or US & Inventors: None

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Tech fields:
None (766) · airplane (9) · propulsion (6) · Design (5) · frame (5) · marine (5) · wings (4) · propeller (3) · Construction (3) · motor (2) · hydroplane (2) · valve (2) · Subsystem (2) · propellers (2) · military (2) · aerodynamics (2) · LTA (2) · motors (2) · Flapping (2) · hull (2)
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National tech categories:
None (567) · USPC 244/139 (17) · USPC 244/147 (17) · USPC 244/142 (15) · USPC 244/153R (12) · BE K (11) · USPC 244/53A (9) · USPC 244/149 (8) · USPC 244/144 (6) · USPC 244/119 (5) · USPC 244/138R (5) · USPC 244/3.1 (5) · USPC 244/63 (5) · USPC 244/65 (5) · USPC 244/143 (4)
CPCs:
None (232) · CPC B64C11/006 (114) · CPC B64C11/346 (68) · CPC B64C11/48 (61) · CPC B64C11/36 (41) · CPC B63H1/12 (40) · CPC B64C11/343 (33) · CPC F05B2260/74 (33) · CPC Y02E10/722 (30) · CPC B63H1/04 (30) · CPC F03D11/00 (30) · CPC B64C11/06 (27) · CPC B64C27/33 (20) · CPC B64C3/48 (20) · CPC F03D1/025 (17) · CPC B64C11/065 (16) · CPC Y02E10/72 (13) · CPC Y02E10/74 (13) · CPC F03D3/00 (13) · CPC B64C11/003 (12)
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