Patent US-1900-641793
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Multiple independently turning wind-wheels power the same central shaft.
Inventor location (imputed by HistPat): Omaha, Douglas county, NE (FIPSloc=31055)
Sources
| Year filed | 1897 |
|---|---|
| Year granted | 1900 |
| Office | US |
| Patent number | 641793 |
| Inventors | Spencer Otis |
| Inventor country | US |
| Applicant person | |
| Applicant firm | |
| Applicant type | |
| Applicant is inventor? | 1 |
| Original title | Multiple Aermotor |
| English title | Multiple Aermotor |
| Tech fields | propeller |
| Filing date | 1897-06-25 |
| Full specification filed date | |
| Application number | |
| Grant date | 1900-01-23 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | Partially |
| Serial number | 723194 |
| Patent agent | |
| Assigned to | |
| National tech categories | USPC 416/120, USPC 416/133, USPC 74/665GB |
| IPCs | IPC F05B2240/40 |
| CPCs | |
| Family year | 1900 |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
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