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Patents > Office : BE or GB or US & CPCs: None

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Office: (Click arrow to add another value)
Inventor country:
None (1444) · US (288) · GB (234) · FR (198) · BE (153) · DE (108) · IT (16) · AT (12) · CH (11) · HU (10) · RU (9) · AU (8) · AH (7) · ES (7) · SE (5)
Applicant is inventor:
Application number:
None (2416) · navigation (9) · propeller (7) · rudder (6) · stability (4) · propulsion (4) · frame (3) · airfoil (3) · wheels (2) · flapping (2)
Granted:
Patent agent:
None (1889) · A. Wunderlich & Cie, Ingénieurs-Conseils (57) · Raclot (22) · Haseltine, Lake & Co. (21) · Duvinage (21) · Marks & Clerk (19) · Boult, Wade & Tennant (17) · J. Gevers (16) · Abel & Imray (14) · W. P. Thompson & Co. (12) · 1 (12) · Kirkpatrick (12) · De Visscher et Graetz (11) · None (10) · Herbert Haddan & Co. (9) · E. et G. Bede (9) · G. F. Redfern & Co. (8) · Biebuyck (8) · Brierley & Howard (7) · Wheatley & Mackenzie (7)
Assigned to:
None (2430) · 1 (34) · Dewey Corporation (2) · Syracuse, NY (2)
National tech categories:
None (1683) · BE K (324) · GB 4 propel & steer (67) · GB 4 with buoyant (44) · GB 4 without buoyant (35) · GB 4 (24) · GB 4 aërostats (21) · GB 4 aëroplanes (20) · USPC 244/147 (19) · USPC 244/139 (18) · USPC 244/153R (17) · USPC 244/142 (16) · GB 4 framework (14) · USPC 244/149 (13) · USPC 244/3.23 (11) · USPC 244/63 (10) · USPC 244/53A (10) · GB 4 motors (9)
CPCs: (Click arrow to add another value)
First filing:
Cites these patents:
None (2443) · 1910 (6) · 1911 (4) · 1909 (4) · 1 (4) · CPC B64B1/00 (3) · 1887 (2) · Patent GB-1914-23502 (2) · 1907 (2) · Patent GB-1901-346 (2)
Citations from after 1930:

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