Patent GB-1897-30932
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Two propellers revolve in opposite directions.
Neilson groups this patent in with GB-1893-2557 (Feb. 6) by H. T. Barnett. "Both inventors propose to arrange two propellers co-axially and adjacent to each other"...
- Inventor location: Orchard Villa, The Crescent, Maidenhead, in the County of Berks
- Inventor occupation: Gentlemman
Sources
- Neilson, 1910, p.19
- Original patent document and bibliography entry on espacenet
- Abridgment of patent specifications for 1897–1900, Class 4, p. 9; subject-matter index pp. iii–iv.
| Year filed | 1897 |
|---|---|
| Year granted | 1899 |
| Office | GB |
| Patent number | 30932 |
| Inventors | William Thomas Carter |
| Inventor country | GB |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | A New or Improved Method of and Apparatus for Propulsion, specially applicable for the Propulsion of Torpedoes, Aerostats, and other Bodies Lacking in Stability. |
| English title | Counter-rotating propellers |
| Tech fields | propulsion, propeller |
| Filing date | 1897-12-31 |
| Full specification filed date | |
| Application number | |
| Grant date | 1899-01-31 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | James G. Lorrain |
| Assigned to | |
| National tech categories | GB 4 propel & steer, GB 4 with buoyant |
| IPCs | |
| CPCs | |
| Family year | |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 6 |
| Number of diagram pages | 1 |
| Number of figures | 4 |
| Number of claims | 3 |
