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Patents > Tech fields : buoyancy or None & Number of figures: 6-11

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None (259) · Patent AU-1916-630 (3) · Patent US-1911-1028409 (3) · Patent GB-1908-4519 (2) · Patent US-1912-1062545 (2) · Patent BE-1912-08-13-Panian (2) · Patent GB-1909-47 (2)
Related to aircraft:
Patent agent:
None (43) · Munn & Co. (13) · Victor J. Evans (13) · None (11) · Haseltine, Lake & Co. (5) · L. Chassevent (5) · Armengaud jeune (5) · Rigot et Prévost (4) · Dom. Casalonga (4) · Joshua R. H. Potts (4) · C. A. Snow & Co. (3) · E. Bletry (3) · Edwards & Co. (3) · Marks & Clerk (3) · G. de Mestral et F. Harlé (3) · G. Petiau (3) · Abel & Imray (3) · John P. Tarbox (3)
National tech categories:
None (127) · FR 6.4 (67) · USPC 244/119 (9) · USPC 244/48 (7) · USPC 244/90R (6) · USPC 244/45R (6) · USPC 244/101 (5) · USPC 244/80 (5) · USPC 244/113 (4) · DE 77h.5 (3) · DE 77 (3) · USPC 244/46 (3) · USPC 244/233 (3)
IPCs:
None (154) · IPC B64C39/00 (20) · IPC B64C3/38 (16) · IPC B64C1/00 (15) · IPC B64C17/00 (15) · IPC B64C3/00 (13) · IPC B64C23/00 (13) · IPC B64C35/00 (9) · IPC B64C33/02 (7) · IPC B64C3/54 (6) · IPC B64C11/00 (6) · IPC B64C39/10 (4) · IPC CPC B64C13/00 (3) · IPC B64C27/04 (3) · IPC B64C3/56 (3) · IPC B64C29/00 (3) · IPC B64C17/06 (3)
CPCs:
CPC B64C3/385 (32) · CPC B64C17/00 (27) · CPC B64C2700/6295 (25) · CPC B64C23/005 (22) · None (16) · CPC B64C13/00 (14) · CPC B64C39/00 (13) · CPC B64C3/00 (13) · CPC B64C33/02 (12) · CPC B64C39/08 (11) · CPC B64C39/005 (11) · CPC B64C35/00 (10) · CPC B64C2700/6274 (10) · CPC B64C3/54 (8) · CPC B64C2700/6218 (7) · CPC B64C2700/6235 (7) · CPC B64C11/006 (7)
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