Patent GB-1911-11785
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Propeller with "blades comprising a series of planes decreasing in size and increasing in inclination from the centre or boss of the propeller, or vice versa."
Inventor location: 92, High Street, Islington, London
Patents which are supplementary to this one
- Patent FR-1912-443843 (English title: Propellers or blades and similar apparatus, Filing date: 1912-05-15)
Sources
- espacenet 191111785
| Year filed | 1911 |
|---|---|
| Year granted | 1911 |
| Office | GB |
| Patent number | 11785 |
| Inventors | Alexander Liwentaal |
| Inventor country | GB |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvements in or relating to Propellers and the like |
| English title | Propeller with series of planes |
| Tech fields | propeller |
| Filing date | May 16, 1911 |
| Full specification filed date | December 16, 1911 |
| Application number | 191111785D |
| Grant date | August 16, 1912 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | Patent FR-1912-443843 |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Boult, Wade & Tennant |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C11/16 |
| CPCs | CPC B64C11/16 |
| Family year | 1911 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | 23616762 |
| INPADOC family ID | 11107355 |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 6 |
| Number of claims | 6 |
