Drilldown: Patents

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Patents > Inventor country : AU or FR or NO & Applicant person : Hans Gundersen or Émile Letord or None & Applicant firm: None & Related to aircraft : 1 or Yes

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Office:
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Applicant type:
Applicant is inventor:
Tech fields:
LTA (168) · navigation (122) · Propulsion (77) · Balloon (71) · airplane (62) · frame (38) · propeller (35) · marine (23) · stability (22) · None (21) · subsystem (21) · Parachute (19) · whole (18) · design (18) · hybrid (15) · Aerostat (14) · safety (14) · rudder (13) · piloting (12)
Full specification filed date:
Application number:
None (400) · 1732817 (3) · 510212D (2) · 510210D (2) · 496388D (2) · 494571D (2)
Granted:
Supplementary to patent:
None (348) · Patent FR-1902-326727 (5) · Patent FR-1891-215265 (5) · Patent FR-1904-340154 (4) · Patent AU-1909-15563 (4) · Patent BE-1910-Hervieu-hangar (4) · Patent FR-1917-494365 (3) · Patent FR-1902-321808 (3) · Patent GB-1910-18683 (3) · Patent FR-1899-Boinet (2) · Patent FR-1897-271948 (2) · Patent FR-1891-216860 (2) · Patent FR-1908-393976 (2) · Patent FR-1909-400569 (2) · Patent GB-1905-1140 (2) · Patent IT-1902-65889 (2) · Patent BE-1910-Hervieu-parachute (2)
Related to aircraft: (Click arrow to add another value)
Patent agent:
None (319) · J. Germain (13) · Armengaud jeune (9) · Herbert Haddan & Co. (8) · Armand Ricordeau (4) · Jules Mathieu (3) · Édouard Baral (3) · Johnsons & Willcox (3) · 0 (3) · J. Bonnet-Thirion (3) · Weismann et Marx (3) · Matray frères et Cie (3)
National tech categories:
None (144) · FR 5 (86) · FR 6.4 (65) · FR 6.3 (47) · IT 8 (16) · FR 6 (11) · AT 77d (7) · AU 90.3 (7) · DE 77h (7) · GB 4 aërostats (4) · AU 90.5 (4) · DE 77h.5 (4) · GB 4 with buoyant (3) · DK 77 (3) · FR 17 (3) · DE 77h.15 (3) · FR 12.3 (3)
IPCs:
None (372) · IPC B64B1/00 (5) · IPC B64D33/10 (5) · IPC B64C1/00 (4) · IPC B64C3/38 (3) · IPC B64C3/18 (3) · IPC B64C23/00 (3) · IPC B64B1/58 (3) · IPC B64C3/00 (3) · IPC B64D31/02 (2) · IPC B64C31/06 (2) · IPC G01M9/00 (2) · IPC G01C17/00 (2) · IPC B64B1/64 (2) · IPC B64C39/00 (2) · IPC B64C11/00 (2) · IPC B64D17/00 (2) · IPC B64D27/04 (2) · IPC B64D35/04 (2)
CPCs:
None (365) · CPC B64D33/10 (5) · CPC B64B1/00 (4) · CPC B64C39/00 (3) · CPC B64C3/00 (3) · CPC B64C3/18 (3) · CPC B64B1/40 (3) · CPC B64B1/58 (3)
First filing:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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