Patent GB-1909-2540
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The inventor envisions combination wing-propellers which he terms helidiscs. A gearing system enables their independent movement.
- Engineer of Westhorpe, Hendon, County of Middlesex
Patents which are supplementary to this one
- Patent RU-1909-21180 (English title: Improvements to flying machines, Filing date: 1909-10-02)
Sources
- Neilson, 1910, Aeroplane Patents, p77
- Original patent document and bibliography entry on espacenet
| Year filed | 1909 |
|---|---|
| Year granted | 1910 |
| Office | GB |
| Patent number | 2540 |
| Inventors | Robert Pearce Elworthy |
| Inventor country | GB |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvements in Aerial Machines |
| English title | Aerial Machines |
| Tech fields | airplane, propulsion, wings, propellers, hybrid, frame, car, whole, navigation |
| Filing date | 1909/02/02 |
| Full specification filed date | 1909/02/06 |
| Application number | |
| Grant date | 1910/02/02 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | G. F. Redfern & Co. |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C27/52 |
| CPCs | CPC B64C27/52 |
| Family year | 1909 |
| First filing? | No |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | 2 |
| Number of figures | 4 |
| Number of claims | 1 |
