Patent GB-1899-24047
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A screw propeller o with a broad surface is mounted in a cylinder to prevent centrifugal currents. The cylinder l may pass through the aërostat a as shown, and have a distended forward end r, or cylinders may be arranged on each side of the aërostat and below the car. The cylinder may revolve with the screw. (Abridgment)
Sources
- Patent US-1902-712689
- Abridgment of patent specifications for 1897–1900, Class 4, p. 20; & index pp. iii–iv
- Aeronautical Journal July 1900, p. 141
| Year filed | 1899 |
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| Year granted | |
| Office | GB |
| Patent number | 24047 |
| Inventors | Rudolf Krocker |
| Inventor country | DE, AT |
| Applicant person | E. R. Krocker |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Improvements in or relating to Air Ships or Vessels |
| English title | Air Ships or Vessels |
| Tech fields | LTA, design, propeller, propulsion |
| Filing date | 1899-12-02 |
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| Supplementary to patent | Patent DE-1899-123884 |
| Related to aircraft? | 1 |
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| Patent agent | A. J. Boult |
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| National tech categories | GB 4 with buoyant, GB 4 propel & steer |
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