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Patents > Tech fields : Frame or Propellers & Number of text pages: None

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None (318) · 1124 (2)
Granted:
Supplementary to patent:
None (256) · Patent BE-1909-214032 (31) · Patent FR-1841-9265 (6) · Patent CH-1899-18666 (3)
Related to aircraft:
Patent agent:
None (259) · A. Wunderlich & Cie, Ingénieurs-Conseils (40) · Raclot (7) · Kirkpatrick (6) · De Visscher et Graetz (5) · Biebuyck (5) · Duvinage (4) · J. Gevers (4) · E. et G. Bede (3) · Raclot et Cie (3) · Honold (2) · Henry Hughes (2) · Chassevent (2) · Meslin et comp. (2) · Parette (2) · Abel & Imray (2) · Alfred Julius Boult (2)
National tech categories:
BE K (120) · None (98) · FR 6.3 (17) · FR 6.4 (17) · IT 8 (16) · GB 4 with buoyant (9) · USPC 244/153R (8) · FR 6 (7) · FR 6.2 (7) · USPC 244/22 (6) · GB 4 without buoyant (6) · DE 77h (6) · AR 21 (5) · HU V/h (5) · GB 4 propel & steer (4) · GB 4 (4) · USPC 244/23R (3) · USPC 244/30 (3) · USPC 416/123 (3) · USPC 244/13 (3)
CPCs:
None (303) · CPC B64B1/00 (16) · CPC A63H27/08 (7) · CPC B64C2700/6295 (7) · CPC B64C33/02 (6) · CPC B64C29/0025 (4) · CPC B64B1/58 (3) · CPC B64C17/00 (3) · CPC B64C39/005 (3) · CPC B64C27/82 (3) · CPC B64B1/40 (2) · CPC B64F2700/6226 (2) · CPC B64C11/04 (2) · CPC B64C13/00 (2) · CPC B64C3/385 (2) · CPC B64C25/06 (2)
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