Drilldown: Patents

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Patents > Tech fields : navigation or propellers & Number of claims: 4-6

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None (103)
Granted:
Supplementary to patent:
None (213) · Patent DE-1907-214228 (4) · Patent US-1909-970771 (3) · Patent DE-1910-06-18 Carl Hanschke (3) · Patent DE-1909-220044 (3) · Patent DE-1895-98580 (2) · Patent FR-1910-421136 (2) · Patent AT-1912-64392 (2) · Patent FR-1908-407090 (2) · Patent FR-1911-430455 (2) · Patent FR-1916-502839 (2) · Patent GB-1908-4519 (2) · Patent DE-1908-239989 (2) · Patent FR-1909-420004 (2) · Patent RU-1905-Rebikov (2) · Patent US-1914-1104963 (2)
Related to aircraft:
Patent agent:
None (96) · Munn & Co. (10) · None (10) · Armengaud jeune (9) · Boult, Wade & Tennant (8) · Marks & Clerk (8) · E. Blétry (6) · Lavoix et Mosès (5) · Schwab (5) · C. A. Snow & Co. (4) · Herbert Haddan & Co. (4) · J. Bonnet-Thirion (3) · Brewer & Son (3) · Wheatley & Mackenzie (3) · Hippolyte Josse (3) · Haseltine, Lake & Co. (3)
National tech categories:
None (91) · FR 6.4 (62) · HU V/h (22) · FR 6.3 (8) · USPC 244/70 (6) · USPC 244/30 (6) · FR 6.2 (5) · AT 77d (5) · USPC 244/26 (5) · DE 77 (4) · USPC 244/50 (4) · USPC 244/13 (4) · CH 115 (4) · USPC 244/99 (4) · DK 77 (4) · USPC 244/22 (4) · USPC 244/6 (4)
IPCs:
None (137) · IPC B64C39/00 (24) · IPC B64B1/00 (22) · IPC B64C11/00 (10) · IPC B64C23/00 (10) · IPC B64C3/38 (6) · IPC B64C1/00 (6) · IPC B64C33/02 (5) · IPC B64C17/00 (5) · IPC B64B1/58 (5) · IPC B64C11/16 (5) · IPC B64B1/62 (5) · IPC B64C33/00 (4) · IPC CPC B64C13/00 (4) · IPC B64C11/04 (4) · IPC B64C3/52 (3) · IPC B64C13/00 (3) · IPC G01P3/36 (3) · IPC B64C11/18 (3) · IPC B64C27/04 (3)
CPCs:
None (83) · CPC B64B1/00 (25) · CPC B64C23/005 (19) · CPC B64C2700/6295 (12) · CPC B64C39/00 (11) · CPC B64C39/005 (11) · CPC B64C33/02 (10) · CPC B64C13/00 (10) · CPC B64C17/00 (8) · CPC B64C2700/6274 (7) · CPC B64C11/006 (7) · CPC B64C11/16 (6) · CPC B64B1/58 (6) · CPC B64C3/385 (6) · CPC B64B1/62 (5) · CPC B64C39/08 (4) · CPC B64C39/008 (4) · CPC B64C3/52 (4) · CPC B64C11/04 (4)
First filing:
Citations from after 1930:
Number of claims:
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