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Patents > Office : CA or DK or GB

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Office: (Click arrow to add another value)
Inventor country:
None (1428) · GB (1114) · US (428) · FR (425) · DE (340) · IT (56) · AT (46) · CA (46) · CH (37) · AU (33) · RU (25) · BE (22) · HU (18) · IE (14) · NO (14) · NZ (12) · SE (11) · RO (10) · Great Britain (10)
Applicant firm:
None (3891) · Blackburn Aeroplane and Motor Co. (19) · Vickers (15) · British and Colonial Aeroplane Co. (8) · Sopwith Aviation Company Limited (7) · Varioplane Company (5) · Siemens-Schuckert-Werke G.m.b.H. (5) · Société anonyme Astra (4) · E. Rumpler Luftfahrzeugbau G.m.b.H. (4) · Blackburn Aeroplane & Motor Co. (4) · Société anonyme Astra AB (4)
Applicant is inventor:
Granted:
National tech categories:
None (3719) · GB 4 propel & steer (74) · DK 77 (46) · GB 4 with buoyant (44) · GB 4 without buoyant (35) · GB 4 aërostats (26) · GB 4 (24) · GB 4 aëroplanes (20) · GB 4 framework (15) · CA 244/24 (9) · GB 4 motors (9) · GB 4 parachutes (7) · GB 4 propelling (7) · FR 6.4 (7) · DK 65 (6) · GB 122 aero steam engines (6) · CA 244/12 (6) · GB 4 cars and cabins (6)
First filing:
Cites these patents:
None (4035) · Patent GB-1914-23502 (2) · Patent GB-1909-3202 (2) · Patent GB-1912-15735 (2) · Patent GB-1912-5966 (2) · Patent GB-1901-346 (2) · Patent GB-1913-5223 (2) · Patent GB-1909-8118 (2) · 1 (2)
Citations from after 1930:

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