Patent US-1872-136493
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- Inventor location: Baltimore City, Maryland
- Tech classes: CPC B64C13/00: Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers; CPC F15B9/10: Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor in which the controlling element and the servomotor each controls a separate member, these members influencing different fluid passages or the same passage
Sources
- Patent 136493 document and bibliographic info on espacenet
- Patent 136493 at google patents
| Year filed | 1872 |
|---|---|
| Year granted | 1873 |
| Office | US |
| Patent number | 136493 |
| Inventors | W. W. Dungan |
| Inventor country | US |
| Inventor location | |
| Applicant person | W. W. Dungan, Mary D. Dungan |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Apparatus for Steering Vessels by Steam |
| English title | Apparatus for Steering Vessels by Steam |
| Tech fields | steam, navigation, marine |
| Filing date | 1872-07-03 |
| Full specification filed date | |
| Application number | |
| Grant date | March 4, 1873 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | G. H. Watson & Co. |
| Assigned to | Mary D. Dungan |
| National tech categories | |
| IPCs | |
| CPCs | CPC F15B9/10, CPC B64C13/00 |
| Family year | 1873 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 2 |
| Application ID | 45789743 |
| INPADOC family ID | |
| Number of text pages | 2 |
| Number of diagram pages | 1 |
| Number of figures | 3 |
| Number of claims | 1 |
