Drilldown: Patents

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Patents > Tech fields : float or navigation & First filing: None

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Office:
Applicant person:
None (254) · Alfred Julius Boult (4)
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Supplementary to patent:
None (255) · Patent CH-1899-18666 (5) · Patent AU-1909-15563 (4) · Patent DE-1907-194166 (2) · Patent FR-1908-393976 (2) · Patent FR-1902-326727 (2) · Patent FR-1899-Boinet (2) · Patent GB-1912-2540 (2) · Patent IT-1902-65889 (2) · Patent AT-1900-12657 (2)
Related to aircraft:
Patent agent:
None (232) · Desnos (4) · E. Imer-Schneider (3) · Marks & Clerk (2) · Léopold D’Aubreville (2) · Jules Mathieu (2) · Haseltine, Lake & Co. (2) · Georges Faugé (2) · Boult & Wade (2) · Blétry aîné (2) · Alfred Julius Boult (2) · Baldwin & Rayward (2)
National tech categories:
None (109) · FR 6.3 (28) · FR 5 (22) · IT 8 (20) · GB 4 propel & steer (17) · AT 77d (9) · DE 77 (9) · FR 6.4 (7) · GB 4 with buoyant (7) · DK 77 (6) · GB 4 aërostats (5) · CH 115 (5) · DE 77h.15 (5) · CH 129b (4) · GB 4 without buoyant (4) · DE 77h (4)
IPCs:
None (269) · IPC G01P3/36 (3) · IPC B64C19/00 (3) · IPC B64B1/58 (3) · IPC B64B1/64 (2) · IPC G01C17/00 (2) · IPC B64B1/00 (2) · IPC B64C39/008 (2)
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Citations from after 1930:
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