Patent DE-1909-247139
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Describes refilling a balloon in flight using liquid hydrogen.
- Marie Erdmann née Bruns
- Inventor location: Charlottenburg
Sources
- Zeitschrift für Flugtechnik und Motorluftschiffahrt Jahrgang III (1912), p. 318
- Original patent document and Bibliographic info at DPMA
- Original patent document and bibliography entry at espacenet
| Year filed | 1909 |
|---|---|
| Year granted | 1912 |
| Office | DE |
| Patent number | 247139 |
| Inventors | Marie Erdmann |
| Inventor country | DE |
| Applicant person | Marie Erdmann geb. Bruns |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Verfahren zum Nachfüllen von Luftballons |
| English title | Balloon filling technique |
| Tech fields | LTA, balloon, gas, hydrogen, method |
| Filing date | 1909-02-26 |
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| Granted? | 1 |
| Publication date | 1912-05-17 |
| Supplementary to patent | |
| Related to aircraft? | 1 |
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| National tech categories | DE 77h.3 |
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| Cites these patents | |
| Citations from after 1930 | |
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| Number of text pages | 1 |
| Number of diagram pages | 0 |
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| Number of claims |
