Drilldown: Patents

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

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None (220) · Patent GB-1908-4519 (5) · Patent US-1909-970771 (4) · Patent GB-1909-8531 (4) · Patent AT-1912-75092 (3)
Related to aircraft:
Patent agent:
None (103) · Haseltine, Lake & Co. (24) · Marks & Clerk (22) · None (15) · Boult, Wade & Tennant (13) · Herbert Haddan & Co. (11) · Abel & Imray (10) · Brewer & Son (10) · Wheatley & Mackenzie (6) · W. P. Thompson & Co. (6) · H. D. Fitzpatrick & Co. (5) · Johnsons & Willcox (5) · Edward Evans & Co. (5) · A. M. & William Clark (5) · Boult, Wade, and Tennant (5) · Lloyd Wise & Co. (4) · G. F. Redfern & Co. (4) · Jensen & Son (4) · J. S. Withers & Spooner (4)
National tech categories: (Click arrow to add another value)
IPCs:
None (126) · IPC B64C39/00 (28) · IPC B64C3/00 (21) · IPC B64C3/18 (20) · IPC B64C1/00 (18) · IPC B64C17/00 (14) · IPC B64C35/00 (13) · IPC B64B1/00 (13) · IPC B64C1/06 (10) · IPC B64C3/38 (9) · IPC B64C23/00 (8) · IPC B64C3/56 (8) · IPC B64C33/00 (7) · IPC B64C13/00 (6) · IPC B64C3/54 (5) · IPC B64C11/00 (5) · IPC B64B1/58 (5)
CPCs:
None (91) · CPC B64C3/00 (25) · CPC B64C39/00 (23) · CPC B64C2700/6295 (21) · CPC B64C17/00 (20) · CPC B64B1/00 (18) · CPC B64C3/18 (13) · CPC B64C1/065 (10) · CPC B64C13/00 (10) · CPC B64C2001/0063 (10) · CPC B64C2700/6233 (10) · CPC B64C35/00 (9) · CPC B64C2700/6235 (9) · CPC B64C2700/6218 (8) · CPC B64C23/005 (8) · CPC B64C3/185 (8) · CPC B64C3/56 (8) · CPC B64C33/00 (7) · CPC B64C2001/0081 (7)
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