CPC B63H2005/005

CPC B63H2005/005 is a patent class for propulsion mechanisms at the front of a watercraft. Officially: Front propulsors, i.e. propellers, paddle wheels, or the like substantially arranged ahead of the vessels' midship section.

CPC subclasses with "200" in the code have some unusual history and rules which is not clear yet. In this case, the parent category is CPC B63H5/00, titled "Arrangements on vessels of propulsion elements directly acting on water."

References

This wiki has 2 patents in category "CPC B63H2005/005".

Patents in category CPC B63H2005/005

• Patent FR-1904-340154 (English title: Propulsion system using centrifugal force and pneumatic traction for ships, balloons, etc., Inventors: André Gambin, Filing date: 1904-02-03)
• Patent FR-1912-444055 (English title: propeller for marine and aeronautic propulsion and navigation, Inventors: Heinrich Bauer, Filing date: 1912-05-21)

Enclosing categories	CPC B63H5/00
Subcategories
Keywords	Marine, Propulsion, Design
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