Drilldown: Patents

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Patents > Office : DK or IN or SU or US & Inventor country : AH or CA or GB or NL & Citations from after 1930: None

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Office: (Click arrow to add another value)
Inventors:
Everard Richard Calthrop (6) · Horace Leonard Short (5) · Thomas Augustus Dring (5) · Thomas Sloper (4) · Charles Denniston Burney (3) · Alexander Albert Holle (3) · Louis Brennan (3)
Inventor country: (Click arrow to add another value)
Applicant person:
None (24) · Everard Richard Calthrop (6) · Horace Leonard Short (5) · Thomas Sloper (4) · Charles Denniston Burney (3) · Louis Brennan (3)
Applicant is inventor:
Tech fields:
None (60) · airplane (30) · frame (28) · navigation (27) · stability (27) · propulsion (24) · propeller (21) · LTA (15) · rudder (12) · control (10) · construction (10) · design (10) · marine (8) · propellers (8) · airfoil (7) · wings (7) · helicopter (6) · parachute (6) · balloon (6) · subsystem (6)
Full specification filed date:
Application number:
None (62) · airfoil (2)
Granted:
Supplementary to patent:
None (138) · 1 (4) · Patent GB-1909-12556 (4) · Patent GB-1911-5162 (2) · Patent GB-1909-2111 (2) · Patent GB-1909-26034 (2) · Patent GB-1913-16499 (2) · Patent GB-1912-2540 (2)
Related to aircraft:
National tech categories:
None (78) · DK 77 (6) · USPC 244/90R (6) · USPC 244/22 (5) · USPC 244/51 (5) · USPC 244/45R (4) · USPC 244/30 (4) · USPC 244/234 (3) · USPC 244/100R (3) · USPC 244/80 (3) · USPC 244/105 (3) · USPC 244/49 (3) · USPC 244/153R (3) · USPC 244/225 (3) · USPC 244/233 (3)
CPCs:
None (23) · CPC B64C23/005 (10) · CPC B64C13/00 (10) · CPC B64C33/02 (9) · CPC B64B1/00 (9) · CPC B64C17/00 (6) · CPC B64C35/00 (6) · CPC B64C9/00 (5) · CPC B64C3/48 (5) · CPC B64C2700/6295 (5) · CPC B64C11/006 (4) · CPC B64C3/00 (4) · CPC B64B1/40 (4) · CPC A63H27/08 (4) · CPC B64C39/005 (4) · CPC B64C3/385 (4)
First filing:
Citations from after 1930:
Number of diagram pages:

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