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Patents > Office : BE or GB & CPCs: None

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Office: (Click arrow to add another value)
Inventor country:
None (1217) · GB (225) · FR (193) · BE (153) · DE (99) · US (73) · IT (16) · AT (11) · CH (10) · HU (9) · AU (7) · RU (7) · ES (7) · AH (5) · SE (4) · CA (3) · NZ (3) · BR (3) · RO (3)
Applicant is inventor:
Granted:
Patent agent:
None (1474) · A. Wunderlich & Cie, Ingénieurs-Conseils (57) · Raclot (22) · Duvinage (21) · Haseltine, Lake & Co. (21) · Marks & Clerk (19) · Boult, Wade & Tennant (17) · J. Gevers (16) · Abel & Imray (14) · Kirkpatrick (12) · De Visscher et Graetz (11) · W. P. Thompson & Co. (11) · E. et G. Bede (9) · Herbert Haddan & Co. (9) · G. F. Redfern & Co. (8) · Biebuyck (8) · None (8) · Brierley & Howard (7) · Wheatley & Mackenzie (7)
National tech categories:
None (1543) · 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) · GB 4 framework (14) · GB 4 motors (9) · GB 4 parachutes (7) · GB 122 aero steam engines (6) · GB 4 military (5) · GB 4 cars and cabins (5) · GB 123 aero steam generators (4) · GB 4 aërial railways (4) · GB 4 starting (3) · GB 122 (3) · GB propelling and steering arrangements (3) · GB aërial machines with aërostats or buoyant bodies (3)
CPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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