Patent DE-1909-Wilcke-Graff-propeller
Jump to navigation
Jump to search
Design for an airship propeller with large adjustable blades mounted on spokes.
Inferred from Patent FR-1911-420526 and Patent GB-1910-21696 (but we don't have a facsimile, or an entry on espacenet).
Follows another 1909 patent by the same inventors, Patent DE-1909-Wilcke-Graff (dated February 2).
Patents which are supplementary to this one
- Patent GB-1910-21696 (English title: Propeller for Aerial Vehicles, Filing date: 1910-09-19)
| Year filed | 1909 |
|---|---|
| Year granted | |
| Office | DE |
| Patent number | |
| Inventors | Richard Wilcke, Albert Graff |
| Inventor country | DE |
| Applicant person | |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | |
| English title | |
| Tech fields | propeller |
| Filing date | 1909-09-18 |
| Full specification filed date | |
| Application number | |
| Grant date | |
| Granted? | |
| Publication date | |
| Supplementary to patent | |
| Related to aircraft? | 1 |
| Serial number | |
| Patent agent | |
| Assigned to | |
| National tech categories | |
| IPCs | |
| CPCs | |
| Family year | |
| First filing? | |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | |
| Number of diagram pages | |
| Number of figures | |
| Number of claims |
