Patent US-1877-187297
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- Tech classes: CPC F03D1/00: Wind motors with rotation axis substantially parallel to the air flow entering the rotor ; CPC B64C11/346: Blade pitch-changing mechanisms mechanical automatic actuated by the centrifugal force or the aerodynamic drag acting on auxiliary masses or surfaces; CPC Y02E10/72: Wind turbines with rotation axis in wind direction
- Inventor location: Batavia, Kane county, IL (FIPSloc=17089, imputed by HistPat)
- The patent agents were also the witnesses: John M. Munday and Edw. S. Evarts
Sources
- Patent 187297 document and bibliographic info on espacenet
- Patent 187297 at google patents
Year filed | 1877 |
---|---|
Year granted | 1877 |
Office | US |
Patent number | 187297 |
Inventors | William D. Nichols |
Inventor country | US |
Inventor location | |
Applicant person | William D. Nichols |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Improvement in windmills |
English title | Improvement in windmills |
Tech fields | windmills |
Filing date | 1877-01-22 |
Full specification filed date | |
Application number | |
Grant date | 1877-02-13 |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | .5 |
Serial number | |
Patent agent | Munday & Evarts |
Assigned to | |
National tech categories | |
IPCs | |
CPCs | CPC F03D1/00, CPC B64C11/346, CPC Y02E10/72 |
Family year | 1877 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | 0 |
Application ID | 45877358 |
INPADOC family ID | |
Number of text pages | 2 |
Number of diagram pages | 2 |
Number of figures | 4 |
Number of claims | 3 |