Drilldown: Patents

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Patents > IPCs : IPC B64B1/00 or IPC B64C1/00 & Number of claims: 6-50000000

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Office:
Inventors:
Adolf Sprater (4) · Robert Esnault-Pelterie (3) · Edmund Sparmann (3) · Simon Lake (3) · Frederick James Hargreaves (3)
Inventor country:
Applicant person:
None (7) · Adolf Sprater (4) · Simon Lake (3) · Frederick James Hargreaves (3) · Robert Esnault-Pelterie (3) · Edmund Sparmann (3)
Applicant is inventor:
Tech fields:
LTA (54) · stability (51) · Airplane (37) · automatic stability (20) · navigation (18) · frame (17) · balloon (16) · Design (15) · aerodynamics (13) · construction (13) · propulsion (12) · airship (11) · None (10) · car (10) · rudder (9) · landing (9) · wings (9)
Full specification filed date:
Application number:
None (12)
Granted:
Supplementary to patent:
None (97) · Patent FR-1913-465942 (2) · Patent GB-1913-11207 (2)
Related to aircraft:
Patent agent:
None (26) · Armengaud jeune (8) · Boramé et Julien (5) · None (5) · Haseltine, Lake & Co. (3) · Lewis William Goold (3) · Charles Dony (3) · E. Blétry (3) · A. M. & William Clark (3) · Wheatley & Mackenzie (3) · Abel & Imray (3) · Hyde & Heide (2) · Hippolyte Josse (2) · Boult, Wade & Tennant (2) · C. Baumann (2) · P. Follin (2) · Marks & Clerk (2)
National tech categories:
FR 6.4 (52) · None (47) · USPC 244/30 (8) · USPC 244/25 (8) · USPC 244/26 (5) · FR 6.3 (3) · USPC 244/67 (2) · USPC 244/28 (2) · USPC 244/127 (2) · USPC 244/125 (2) · USPC 244/119 (2) · USPC 244/97 (2)
IPCs: (Click arrow to add another value)
First filing:
Citations from after 1930:
Number of diagram pages:

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