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Patents > Office : CA or DEG or GB & Number of text pages: 3-4

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Office: (Click arrow to add another value)
Inventor country:
GB (359) · FR (157) · US (119) · DE (71) · None (20) · CH (17) · IT (15) · AT (14) · AU (11) · BE (7) · CA (7) · HU (7) · ES (5) · Poland (4) · NZ (4) · SE (3) · Prussia (3) · RU (3) · IE (3)
Applicant firm:
None (757) · Blackburn Aeroplane and Motor Co. (11) · Vickers Limited (8) · Sopwith Aviation Company Limited (7) · Blackburn Aeroplane & Motor Co. (4) · Varioplane Company (3) · Societe Anonyme Astra (2) · British and Colonial Aeroplane Co. (2) · Planes Ltd. (2)
Applicant is inventor:
Application number:
Granted:
Related to aircraft:
Patent agent:
Marks & Clerk (68) · None (65) · Boult, Wade & Tennant (56) · Haseltine, Lake & Co. (53) · Brewer & Son (32) · None (30) · Abel & Imray (27) · Herbert Haddan & Co. (27) · Wheatley & Mackenzie (24) · J. S. Withers & Spooner (21) · W. P. Thompson & Co. (15) · G. F. Redfern & Co. (12) · Lloyd Wise & Co. (11) · Hy. Fairbrother (10) · Browne & Co. (10) · Johnsons & Willcox (9) · Brierley & Howard (9) · Boult, Wade, and Tennant (9)
IPCs:
None (220) · IPC B64C39/00 (67) · IPC B64C17/00 (56) · IPC B64C1/00 (50) · IPC B64C13/00 (28) · IPC B64C3/00 (27) · IPC B64C3/38 (26) · IPC B64C11/00 (22) · IPC B64C35/00 (21) · IPC B64B1/00 (20) · IPC B64C23/00 (17) · IPC B64C27/04 (16) · IPC B64B1/58 (13) · IPC B64C25/00 (12) · IPC B64C3/56 (11) · IPC B64C3/54 (11) · IPC B64C3/18 (11) · IPC B64C17/06 (11) · IPC B64C33/02 (10)
First filing:
Cites these patents:
None (803) · Patent GB-1914-23502 (2) · Patent GB-1909-3202 (2) · Patent GB-1912-15735 (2) · Patent GB-1912-5966 (2) · Patent GB-1913-5223 (2) · Patent GB-1908-17150 (2)
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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