Class B63H : MARINE PROPULSION OR STEERING
Subclass 1/24: Propulsive elements directly acting on water (jet propulsion B63H 11/00; attachment of propellers on shafts B63H 23/34) of rotary type (endless-track type B63H 1/34) with rotation axis substantially in propulsive direction Propellers (pitch changing B63H 3/00) Hubs; Blade connections the blades being foldable automatically foldable or unfoldable
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11827321 | Folding propeller | Sep 07, 16 | Nov 28, 23 | FLEXOFOLD APS |
| 11667364 | Folding propeller and methods of use | Nov 11, 21 | Jun 06, 23 | Torqeedo GmbH |
| 11111001 | Propeller | Jan 23, 20 | Sep 07, 21 | SUPERPROP LIMITED |
| 10625834 | Surfboard booster system | Jan 24, 18 | Apr 21, 20 | Not available |
| 10569850 | Improvements to a propeller | Sep 02, 15 | Feb 25, 20 | SUPERPROP LIMITED |
| 8282353 | Bearing unit for a long rotor blade of a wind power installation, wind power installation comprising one such rotor blade bearing arrangement, and method for operating one such wind power installation | Jun 06, 06 | Oct 09, 12 | IMO HOLDING GMBH |
| 6371726 | Foldable propeller | Oct 02, 00 | Apr 16, 02 | AB Volvo Penta |
| 5494406 | Propeller for boat | May 20, 94 | Feb 27, 96 | Honda Giken Kogyo Kabushiki Kaisha |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2022/0250,727 | Folding Propeller for a Water Vehicle | Feb 03, 22 | Aug 11, 22 | Not available |
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