Drilldown: Patents

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Patents > Inventor country : GB or NO & Number of claims: 2

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Office:
Inventors:
Carl Alfred Johansson (6) · James Robertson Porter (5) · Walter George Tarrant (4) · Harris Booth (4) · Harold Arthur Savage (4) · George Henry Challenger (4) · None (4) · Preston Albert Watson (3)
Inventor country: (Click arrow to add another value)
Applicant person:
None (16) · Carl Alfred Johansson (6) · James Robertson Porter (5) · George Henry Challenger (4) · Harris Booth (4) · Walter George Tarrant (4) · Harold Arthur Savage (4) · Preston Albert Watson (3)
Applicant is inventor:
Tech fields:
airplane (37) · None (36) · stability (24) · frame (24) · LTA (18) · propulsion (16) · navigation (14) · propeller (14) · construction (13) · control (13) · subsystem (13) · wings (11) · design (10) · propellers (8) · automatic stability (7) · fabric (7) · rudder (7) · military (6)
Application number:
None (48) · 16018 (2)
Granted:
Supplementary to patent:
None (136) · Patent NO-1915-12-15 Carl Alfred Johansson (6) · Patent GB-1909-47 (2) · Patent GB-1913-22557 (2)
Related to aircraft:
Patent agent:
None (37) · Brandon frères (10) · Marks & Clerk (9) · None (9) · Haseltine, Lake & Co. (7) · Mewburn, Ellis & Pryor (6) · Brewer & Son (4) · Boult, Wade & Tennant (3) · H. Gardner & Son (3) · J. Owden O'Brien (3) · Herbert Haddan & Co. (3) · Armengaud jeune (3)
National tech categories:
None (127) · FR 6.4 (25) · DE 77 (3) · USPC 244/234 (2) · NL 62 (2) · NL 62.7 (2)
IPCs:
None (53) · IPC B64C17/00 (13) · IPC B64B1/00 (11) · IPC B64C3/00 (11) · IPC B64C13/00 (10) · IPC B64C1/06 (7) · IPC B64C39/00 (6) · IPC B64C1/00 (6) · IPC B64C35/00 (5) · IPC B64C27/04 (4) · IPC F41A19/05 (3) · IPC B64C33/02 (3) · IPC B64C3/54 (3) · IPC B64C3/26 (3) · IPC B64C23/00 (3) · IPC B64C29/00 (3) · IPC B64B1/58 (3)
CPCs:
None (30) · CPC B64C17/00 (14) · CPC B64C13/00 (13) · CPC B64C2700/6256 (11) · CPC B64B1/00 (10) · CPC B64C3/00 (10) · CPC B64C2700/6235 (7) · CPC B64C23/005 (6) · CPC B64C2700/6212 (6) · CPC B64C1/065 (6) · CPC B64C2001/0063 (5) · CPC B64C3/54 (5) · CPC B64C2700/6218 (5) · CPC B64C2700/6281 (4) · CPC B64C2700/6274 (4) · CPC B64C35/00 (4) · CPC B64C3/26 (4)
First filing:
Citations from after 1930:
Number of text pages:
Number of claims:
Number of diagram pages:

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