Patent GB-1908-16030
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Apparatus to reduce "cavitation" meaning gas bubbles forming around a moving watercraft vessel which could damage it. (Does not seem to mean the low-pressure "vacuum" behind a craft which can tend to pull it backward.) This patent is focused on watercraft, with a passing mention that it would apply to torpedoes, projectiles, and flying machines.
This is an addition to Patent GB-1908-5113 which itself makes reference to the Italian priority date 1907-03-09.
- Inventor location: Paolo Campa, 40 Via dei Crociferi, Rome; "Gentleman"
Patent family descending from Patent IT-1907-03-09
- Patent GB-1908-16030 (English title: Improvements to the Propulsion of Ships, Vehicles, or other Movable Bodies, Supplementary to patent: Patent GB-1908-5113 • Patent IT-1907-03-09)
- Patent GB-1908-5113 (English title: Improvements to the Propulsion of Ships, Vehicles, or other Movable Bodies, Supplementary to patent: Patent IT-1907-03-09)
This is an unusually complicated case in terms of many filing dates. example
Sources
- Neilson, 1910, Aeroplane Patents, p76
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1908 |
|---|---|
| Year granted | 1909 |
| Office | GB |
| Patent number | 16030 |
| Inventors | Paolo Campa |
| Inventor country | IT |
| Applicant person | Paolo Campa |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Improvements in or relating to the Propulsion of Ships, Vehicles, or other Movable Bodies |
| English title | Improvements to the Propulsion of Ships, Vehicles, or other Movable Bodies |
| Tech fields | propulsion |
| Filing date | 1908-03-06 |
| Full specification filed date | |
| Application number | |
| Grant date | 1909-04-06 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent GB-1908-5113, Patent IT-1907-03-09 |
| Related to aircraft? | 0.5 |
| Serial number | |
| Patent agent | Boult, Wade & Tennant |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | CPC B63H11/08, CPC B63H2011/087 |
| Family year | 1907 |
| First filing? | 0 |
| 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 | 8 |
| Number of claims | 6 |
