Drilldown: Patents

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Patents > Tech fields : Safety or balloon & First filing: None

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Applicant person:
None (259) · Alfred Julius Boult (5) · George Raymond Lawrence (4) · Jean Francis Webb, Sr. (3) · Nazaire Lacrotte (3) · Everard Richard Calthrop (2) · N. Rousselle (2) · Melvin Vaniman (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Granted:
Supplementary to patent:
None (236) · Patent US-1910-1011683 (6) · Patent CH-1899-18666 (4) · Patent US-1913-04-21 George Raymond Lawrence (4) · Patent FR-1906-363017 (3) · Patent FR-1902-321808 (3) · Patent FR-1891-215265 (3) · Patent DE-1895-98580 (3) · Gebrauchsmuster DE-1908-359884 (2) · Patent DE-1907-194166 (2) · Patent FR-1899-Boinet (2) · Gebrauchsmuster DE-1908-359885 (2) · Gebrauchsmuster DE-1908-359886 (2)
Related to aircraft:
Patent agent:
None (240) · Alfred Julius Boult (4) · Haseltine, Lake & Co. (3) · C. Baumann (2) · W. P. Thompson & Co. (2) · Raclot (2) · Marks & Clerk (2) · Léopold D’Aubreville (2) · Jules Mathieu (2) · 0 (2) · Édouard Baral (2) · E. Steiger-Dieziker (2) · Wilhelm Reinhard (2) · Bardin (2) · Anthony J. Callinan (2) · 1 (2) · Alfred Ernest White (2)
National tech categories:
None (111) · FR 5 (29) · FR 6.3 (14) · GB 4 with buoyant (12) · AT 77d (12) · GB 4 aërostats (11) · IT 8 (11) · DE 77h (10) · DE 77 (10) · FR 6.4 (8) · DE 77h.4 (8) · GB 4 propel & steer (8) · DE 77h.15 (5) · CH 115 (4) · AU 90.3 (4) · DE 77h.3 (4) · BE K (4) · GB 4 parachutes (4)
IPCs:
None (273) · IPC B64B1/40 (5) · IPC B64B1/58 (3) · IPC B64B1/00 (3) · IPC B64B1/62 (2) · IPC B64C35/00 (2) · IPC B64C39/008 (2) · IPC B64B1/14 (2) · IPC B64D10/00 (2) · IPC B64B1/08 (2)
First filing: (Click arrow to add another value)
Citations from after 1930:
Number of diagram pages:

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