Drilldown: Patents

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Patents > Tech fields : control or design & Filing date: 1900 - 1999 & National tech categories: None

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Supplementary to patent:
None (233) · Patent GB-1909-8531‎ (5) · Patent GB-1908-4519 (5) · Patent US-1909-970771 (4) · Patent AT-1912-75092 (3)
Related to aircraft:
Patent agent:
None (107) · Haseltine, Lake & Co. (28) · Marks & Clerk (26) · Abel & Imray (17) · Boult, Wade & Tennant (17) · Herbert Haddan & Co. (14) · Brewer & Son (8) · G. F. Redfern & Co. (7) · None (7) · W. P. Thompson & Co. (6) · Wheatley & Mackenzie (6) · H. D. Fitzpatrick & Co. (5) · Jensen & Son (5) · John P. Tarbox (5) · Boult, Wade, and Tennant (4) · Edward Evans & Co. (4) · Lloyd Wise & Co. (4)
National tech categories: (Click arrow to add another value)
IPCs:
None (148) · IPC B64C39/00 (31) · IPC B64C13/00 (30) · IPC B64C17/00 (24) · IPC B64C1/00 (18) · IPC B64B1/00 (11) · IPC B64C35/00 (11) · IPC B64C3/38 (10) · IPC B64C3/54 (8) · IPC B64C23/00 (7) · IPC B64C3/00 (7) · IPC B64C13/12 (7) · IPC B64C33/00 (6) · IPC B64C13/24 (6) · IPC B64C33/02 (5) · IPC B64C3/18 (5)
CPCs:
None (111) · CPC B64C13/00 (39) · CPC B64C2700/6256 (31) · CPC B64C17/00 (30) · CPC B64C39/00 (24) · CPC B64C2700/6295 (20) · CPC B64B1/00 (17) · CPC B64C13/12 (10) · CPC B64C3/385 (9) · CPC B64C2700/6218 (9) · CPC B64C23/005 (8) · CPC B64C35/00 (7) · CPC B64C3/00 (7) · CPC B64C2700/6274 (6) · CPC B64C2700/6212 (6) · CPC B64C2700/6214 (6) · CPC B64C33/00 (6) · CPC B64C33/02 (6) · CPC B64C13/24 (6)
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Citations from after 1930:
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