Patent GB-1909-7792
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For balance and control, both horiz and vertically. Hinged flaps on wings, and (I think) propellers paired and rotating in opposite directions
- Inventor occ and location: Engineer; of Thanet House, Temple Bar, London, W.C.
- Signed Oct 1, registered as "filed" on the same day by patent office
- The filer seems to be also the patent agent, or closely related to the patent agency
- As often in other British patents, the last claim is just formalistic punctuation
Sources
- Original patent document and bibliography entry on espacenet
- Neilson, 1910, Aeroplane Patents, p77
Year filed | 1909 |
---|---|
Year granted | 1910 |
Office | GB |
Patent number | 7792 |
Inventors | James Dennis Roots |
Inventor country | GB |
Applicant person | James Dennis Roots |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Improvements in or relating to Flying Machines |
English title | Improvements in or relating to Flying Machines |
Tech fields | stability, control, propellers, propeller blades |
Filing date | 1909-04-01 |
Full specification filed date | 1909-10-01 |
Application number | 190907792D |
Grant date | 1910-03-17 |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | 1 |
Serial number | |
Patent agent | J. D. Roots & Co. |
Assigned to | |
National tech categories | |
IPCs | IPC B64C13/00 |
CPCs | CPC B64C2700/6256, CPC B64C13/00 |
Family year | 1909 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | |
Application ID | 23580199 |
INPADOC family ID | 11075601 |
Number of text pages | 3 |
Number of diagram pages | 1 |
Number of figures | 4 |
Number of claims | 4 |