Patent GB-1908-23129
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Propeller with "louvres, or vanes" between the "arms" (blades?) and a mechanism to open and close the louvres as the propeller rotates. Didn't catch why.
- Econterms recorded the name as Hammont, in AJ; that must be wrong though.
- Inventor occ: Advertising Agent
- Inventor location: 10a South Villas, Camden Square, County of London
Sources
- Original patent document and bibliography entry on espacenet
- Aeronautical Journal, January 1909, p31:
- Neilson, 1910, Aeroplane Patents, p76
| Year filed | 1908 |
|---|---|
| Year granted | 1909 |
| Office | GB |
| Patent number | 23129 |
| Inventors | William Hammant |
| Inventor country | GB |
| Applicant person | William Hammant |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | Yes |
| Original title | Improvements relating to aerial machines and the like |
| English title | Propellers with louvres |
| Tech fields | aerial propellers, propulsion |
| Filing date | October 30, 1908 |
| Full specification filed date | April 30, 1909 |
| Application number | |
| Grant date | September 2, 1909 |
| Granted? | Yes |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Yes |
| Serial number | |
| Patent agent | Browne & Co. |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | |
| Family year | 1908 |
| First filing? | Yes |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 3 |
| Number of diagram pages | 1 |
| Number of figures | 2 |
| Number of claims | 4 |
