CPC B64C21/04
Jump to navigation
Jump to search
CPC Y02E10/20 is a category in the Cooperative Patent Classification (CPC) system for hydro energy.[1][2]
References
- ↑ B64C elements listed at Espacenet
- ↑ B64C elements listed at USPTO
This wiki has 4 patents in category "CPC B64C21/04".
Patents in category CPC B64C21/04
- Patent GB-1911-29364 (English title: A Method of and a Device for Supporting Aeroplanes, Inventors: Louis-Adolphe Hayot, Filing date: 1911-12-30)
- Patent FR-1912-458772 (English title: Improvements in Ejectors for Apparatus for Sustaining and Propelling Aeroplanes and for other uses, Inventors: Louis-Adolphe Hayot, Filing date: 1912-08-14)
- Patent GB-1913-16886 (English title: Improvements in Ejectors for Apparatus for Sustaining and Propelling Aeroplanes and for other uses, Inventors: Louis-Adolphe Hayot, Supplementary to patent: Patent FR-1912-458772, Filing date: 1913-07-23)
- Patent DE-1913-330014 (English title: Ejector producing a stream of gas to propel airplanes and other devices, Inventors: Louis-Adolphe Hayot, Supplementary to patent: Patent FR-1912-458772, Filing date: 1913-07-24)
| Enclosing categories | CPC Y02E10/00 |
|---|---|
| Subcategories | CPC Y02E10/223, CPC Y02E10/226 |
| Keywords | |
| Start year | |
| End year |
