CPC B63H1/14
Jump to navigation
Jump to search
CPC B63H1/20 is a patent class for marine propellers.[1][2]
- Patent subclass tree
- B63H1/00 Propulsive elements directly acting on water (jet propulsion B63H11/00)
- B63H1/02 of rotary type
- B63H1/12 with rotation axis substantially in propulsive direction
- B63H1/14 Propellers (pitch changing B63H3/00)
- B63H1/16: Propellers with a shrouding ring attached to blades
- B63H1/20 Hubs; Blade connections
- B63H1/22 the blades being foldable
- B63H1/24 automatically foldable or unfoldable
- B63H1/22 the blades being foldable
- B63H1/14 Propellers (pitch changing B63H3/00)
- B63H1/12 with rotation axis substantially in propulsive direction
- B63H1/02 of rotary type
References
- ↑ CPC B63H1/14 element at Espacenet web site
- ↑ CPC B63H1/14 element listed at USPTO
This wiki has 3 patents in category "CPC B63H1/14".
Patents in category CPC B63H1/14
- Patent FR-1904-340154.4984 (English title: Propulsion system using centrifugal force and pneumatic traction for ships, balloons, etc., Inventors: André Gambin, Supplementary to patent: Patent FR-1904-340154, Filing date: 1905-07-07)
- Patent GB-1910-9047 (English title: Improvements in Apparatus for the Propulsion of Aerial and Marine Vessels, Inventors: Louis Wollmershäeuser, Filing date: 1910-04-14)
- Patent GB-1912-20317 (Inventors: Adolph Kunke Hillson, Filing date: 1912-09-06)
| Enclosing categories | CPC B63H1/00, CPC B63H1/12, CPC B63H1/02 |
|---|---|
| Subcategories | CPC B63H1/16, CPC B63H1/20 |
| Keywords | marine propellers |
| Start year | |
| End year |
