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Patents > Tech fields : hybrid or lift or propellers & Number of diagram pages: 2-20000000

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None (312) · Patent US-1909-970771 (6) · Patent BE-1910-230887 (4) · Patent GB-1908-4519 (4) · Patent FR-1911-430455 (3) · Patent GB-1909-8531 (2) · Patent GB-1910-6051 (2) · Patent FR-1909-402649 (2) · Patent FR-1908-404631 (2) · Patent HU-1913-Pédery-Varsányi-Zoltán (2) · Patent FR-1916-493411 (2) · Patent US-1908-1077750 (2) · Patent DE-1911-330185 (2) · Patent US-1908-927605 (2) · Patent US-1909-1137533 (2) · Patent FR-1902-324521 (2) · Patent FR-1916-502839 (2) · Patent US-1918-1589780 (2) · Patent US-1910-1055379 (2) · Patent AT-1909-12-31 Vigilio Baldo (2)
Related to aircraft:
Patent agent:
None (119) · Munn & Co. (15) · None (14) · Boult, Wade & Tennant (10) · Victor J. Evans (7) · Lavoix et Mosès (7) · Marks & Clerk (7) · Haseltine, Lake & Co. (6) · H. D. Fitzpatrick & Co. (5) · M. Zerolo (4) · John P. Tarbox (4)
National tech categories:
None (153) · FR 6.4 (88) · HU V/h (24) · FR 6.3 (10) · USPC 244/6 (9) · USPC 244/64 (7) · USPC 244/22 (7) · FR 6.2 (6) · USPC 244/35R (6) · CH 129b (6) · USPC 244/11 (5) · USPC 244/66 (5) · USPC 244/50 (5) · USPC 244/80 (5) · USPC 244/23R (4) · USPC 244/233 (4)
IPCs:
None (217) · IPC B64C39/00 (27) · IPC B64B1/00 (19) · IPC B64C23/00 (17) · IPC B64C1/00 (13) · IPC B64C11/00 (13) · IPC B64C27/04 (11) · IPC B64C17/00 (10) · IPC B64C33/02 (9) · IPC B64C33/00 (8) · IPC B64C35/00 (7) · IPC B64C3/38 (5) · IPC B64D35/06 (4)
CPCs:
None (83) · CPC B64C23/005 (34) · CPC B64B1/00 (32) · CPC B64C33/02 (17) · CPC B64C17/00 (16) · CPC B64C39/005 (16) · CPC B64C39/00 (15) · CPC B64C2700/6274 (14) · CPC B64C13/00 (14) · CPC B64C33/00 (13) · CPC B64C35/00 (12) · CPC B64C2700/6295 (11) · CPC B64C11/006 (8) · CPC B64C2700/6281 (7) · CPC B64C39/08 (7) · CPC B64C3/385 (7) · CPC B64C2700/6218 (6)
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