Patent US-1911-1040695
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"This invention relates to propelling means for aeroplanes and the like . . ." Its objectives:
- "facilitating the propulsion of a machine by reducing the resistance upon the air by the propelling blades."
- [and] "a device for turning the blades a definite amount to allow the same to easily cut the air on their upward stroke."
- The claim paragraph refers to a propeller shaft, sleeve, disks, apertures, and blades
- Tech class CPC B64C27/54: Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
- Inventor location: Port Arthur, Jefferson county, TX (FIPSloc=48245, imputed by HistPat)
Sources
- Patent 1040695 document and bibliographic info on espacenet
- Patent 1040695 at google patents
Year filed | 1911 |
---|---|
Year granted | 1912 |
Office | US |
Patent number | 1040695 |
Inventors | Julius Koiw |
Inventor country | US |
Applicant person | Julius Koiw |
Applicant firm | |
Applicant type | INDIV |
Applicant is inventor? | 1 |
Original title | Air-Craft Propeller |
English title | Air-Craft Propeller |
Tech fields | aerial propeller |
Filing date | 1911-09-07 |
Full specification filed date | |
Application number | 1911648036 |
Grant date | 1912-10-08 |
Granted? | 1 |
Publication date | |
Supplementary to patent | |
Related to aircraft? | 1 |
Serial number | 648036 |
Patent agent | E. G. Vrooman |
Assigned to | |
National tech categories | USPC 416/112 |
IPCs | |
CPCs | CPC B64C27/54 |
Family year | 1911 |
First filing? | 1 |
Cites these patents | |
Citations from after 1930 | 1 |
Application ID | 47541429 |
INPADOC family ID | 43975692 |
Number of text pages | 2 |
Number of diagram pages | 3 |
Number of figures | 5 |
Number of claims | 1 |