Drilldown: Patents

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Patents > National tech categories: None & Number of claims: 5

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Office:
Inventor location:
None (238) · London (5) · England (3) · Birmingham (2) · Pennsylvania (2) · Indiana (2) · Yorkshire (2)
Applicant person:
None (28) · Harris Booth (5) · Everard Richard Calthrop (3) · Edward Eugene Brown (3)
Applicant is inventor:
Tech fields:
Application number:
None (79)
Granted:
Supplementary to patent:
None (193)
Related to aircraft:
Patent agent:
None (28) · Marks & Clerk (17) · Boult, Wade & Tennant (14) · Haseltine, Lake & Co. (11) · Brewer & Son (10) · Abel & Imray (8) · Herbert Haddan & Co. (8) · None (8) · W. P. Thompson & Co. (5) · Munn & Co. (5) · Wheatley & Mackenzie (5) · J. S. Withers & Spooner (4) · Phillipss (4) · Edward Evans & Co. (4) · Hy. Fairbrother (3) · Johnsons & Willcox (3) · A. M. & William Clark (3)
National tech categories: (Click arrow to add another value)
IPCs:
None (103) · IPC B64C1/00 (18) · IPC B64C39/00 (17) · IPC B64C17/00 (17) · IPC B64C35/00 (9) · IPC B64C13/00 (9) · IPC B64C11/00 (8) · IPC B64C3/18 (7) · IPC B64C3/00 (7) · IPC B64C23/00 (7) · IPC B64C33/00 (5) · IPC B64C25/00 (4) · IPC B64B1/00 (4) · IPC B64C27/04 (4) · IPC B64C3/38 (4) · IPC B64C3/56 (4) · IPC B64D17/00 (3) · IPC B64C3/42 (3) · IPC B64C1/08 (3)
CPCs:
None (50) · CPC B64C17/00 (17) · CPC B64C13/00 (14) · CPC B64C11/006 (11) · CPC B64C2700/6295 (10) · CPC B64C35/00 (9) · CPC B64B1/00 (8) · CPC B64C3/185 (8) · CPC B64C3/00 (8) · CPC B64C2700/6256 (8) · CPC B64C23/005 (8) · CPC B64C39/00 (7) · CPC B64C2001/0063 (7) · CPC B64C1/08 (6) · CPC B64C2700/6218 (6) · CPC B64C2700/6274 (5) · CPC B64C2700/6212 (5) · CPC B64C33/00 (5) · CPC B64C3/385 (5)
First filing:
Citations from after 1930:
Number of claims:
Number of diagram pages:

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