Patent GB-1917-128301
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From google patents: Mechanism "for absorbing shocks in hollow whole steel screw propellers" to prevent fractures at the roots of the blades" Spelling of "propellors" is unusual; it's usually propellers
- Tech class CPC B64C11/04: Blade mountings
Ellis appears to have many patents, but this is the only one tightly linked to aeronautics.
- Inventor location: Sr. at 17 Wiltshire Road, Brixton, S.W., 9 ; Jr. at 286 Clapham Road, London, S.W., 9 ; both are engineers
Patent family descending from Patent GB-1917-128301
- Patent GB-1917-128301 (English title: Improvements in Screw Propellors for Aeronautical Machines and the like)
- Patent FR-1918-516465 (English title: Improvements to propellers for aeronautical machines and similar machines, Supplementary to patent: Patent GB-1917-128301, National tech categories: FR 6.4)
Sources
- Original patent document and bibliography entry on espacenet
- on google patents
| Year filed | 1917 |
|---|---|
| Year granted | 1919 |
| Office | GB |
| Patent number | 128301 |
| Inventors | Frederick Arthur Ellis Sr., Frederick Arthur Ellis Jr. |
| Inventor country | GB, GB |
| Applicant person | Frederick Arthur Ellis Sr., Frederick Arthur Ellis Jr. |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Improvements in Screw Propellors for Aeronautical Machines and the like |
| English title | Improvements in Screw Propellors for Aeronautical Machines and the like |
| Tech fields | aerial propellers |
| Filing date | 1917-07-27 |
| Full specification filed date | 1917-09-11 |
| Application number | 1079517 |
| Grant date | 1919-06-26 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | W. H. Beck & Co. |
| Assigned to | |
| National tech categories | |
| IPCs | IPC B64C11/04 |
| CPCs | CPC B64C11/04 |
| Family year | 1917 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | 0 |
| Application ID | 21586126 |
| INPADOC family ID | 23397183 |
| Number of text pages | 5 |
| Number of diagram pages | 2 |
| Number of figures | 7 |
| Number of claims | 10 |
