Class B63H : MARINE PROPULSION OR STEERING
Subclass 1/20: 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
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12202584 | Detachable oar propulsion implement | Oct 26, 21 | Jan 21, 25 | Not available |
| 12157550 | Variable-pitch propeller having optimal hub-to-tip diameter ratio | May 17, 21 | Dec 03, 24 | Korea Shipbuilding & Offshore Engineering Co., Ltd; Hyundai Heavy Industries Co. Ltd.; |
| 12134453 | Pod propulsion device | Jan 18, 22 | Nov 05, 24 | Honda Motor Co. Ltd. |
| 12065226 | Fixed-pitch bolted propeller | May 05, 23 | Aug 20, 24 | Rolls-Royce Marine North America, Inc. |
| 12037096 | Marine propeller | Jan 31, 22 | Jul 16, 24 | Brunswick Corporation |
| 12030605 | Shallow water propellers | Jul 03, 23 | Jul 09, 24 | Not available |
| 12012192 | Apertured propeller assemblies and methods | May 17, 23 | Jun 18, 24 | Not available |
| 11999457 | Pendulum mass damper hub propeller assembly for marine drives | Aug 29, 22 | Jun 04, 24 | Brunswick Corporation |
| 11999458 | Two-piece hub propeller assembly for marine drives | Jul 14, 22 | Jun 04, 24 | Brunswick Corporation |
| 11952091 | Marine vessel propeller, propeller blade and method for installing the marine vessel propeller | Mar 08, 22 | Apr 09, 24 | Wärtsilä Norway AS |
| 11827323 | Marine propeller | Jan 31, 22 | Nov 28, 23 | Brunswick Corporation |
| 11814149 | Multifunctional underwater propeller | Sep 16, 22 | Nov 14, 23 | JIANGSU YOUMAY ELECTRIC APPLIANCE CO., LTD. |
| 11760460 | Marine propellers with shearable drive assemblies | Jun 27, 22 | Sep 19, 23 | Not available |
| 11745842 | Damper assemblies and marine propellers with damper assemblies | Sep 07, 21 | Sep 05, 23 | Not available |
| 11713101 | Propeller hubcap | Dec 06, 21 | Aug 01, 23 | Not available |
| 11697480 | Propeller arrangement | Sep 26, 22 | Jul 11, 23 | Not available |
| 11679852 | Superventilated blade that provides hydrodynamic force in a liquid at high speed | Jan 13, 21 | Jun 20, 23 | Not available |
| 11584510 | Driving device, propeller, and propulsion system | May 28, 21 | Feb 21, 23 | SZ DJI Technology Co., Ltd. |
| 11512593 | Propeller | Feb 21, 22 | Nov 29, 22 | Conic Propulsion, LLC |
| 11459078 | Marine drives and propeller devices having exhaust venting for enhanced reverse thrust performance | Dec 02, 20 | Oct 04, 22 | Brunswick Corporation |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0100,662 | PROPELLER PITCH INDICATOR SYSTEMS FOR ELECTRICALLY CONTROLLABLE PITCH PROPELLER SYSTEMS ON WATERCRAFT | Sep 22, 23 | Mar 27, 25 | Not available |
| 2024/0367,769 | ANGULARLY POSITIONED MARINE PROPELLER COMBINATION AND A METHOD OF OPERATING A MARINE PROPELLER COMBINATION | Apr 23, 24 | Nov 07, 24 | Volvo Penta Corporation |
| 2024/0286,723 | BEACHING PROPELLER | Jun 16, 23 | Aug 29, 24 | Not available |
| 2024/0239,458 | PROPELLER FOR DRIVING WATERCRAFT | May 05, 21 | Jul 18, 24 | Not available |
| 2024/0092,481 | CERAMIC PROPELLER | Sep 16, 22 | Mar 21, 24 | Not available |
| 2024/0051,646 | SYSTEM FOR REDUCING BLADE TIP VORTEX CAVITATION BY CONTROLLING MASS FLOW | Oct 30, 23 | Feb 15, 24 | Not available |
| 2024/0051,647 | MARINE PROPELLER | Nov 22, 21 | Feb 15, 24 | Not available |
| 2024/0017,810 | METHOD FOR CONTROLLING A PROPELLER DRIVE ASSEMBLY | Jul 13, 23 | Jan 18, 24 | Not available |
| 2024/0010,316 | PROPELLER DRIVE ARRANGEMENT | Jun 28, 23 | Jan 11, 24 | Volvo Penta Corporation |
| 2022/0402,588 | PROPELLER APPARATUS | Mar 24, 22 | Dec 22, 22 | Suzuki Motor Corporation |
| 2022/0380,907 | PROPELLER ARRANGEMENT IN A CATHODIC PROTECTION SYSTEM | Oct 18, 19 | Dec 01, 22 | VOLVO PENTA CORPORATION |
| 2020/0156,747 | IMPROVEMENTS TO A DRIVE SYSTEM FOR A PROPELLER | Aug 10, 17 | May 21, 20 | SUPERPROP LIMITED |
| 2020/0094,934 | ELECTRICALLY-POWERED UNMANNED MARINE VEHICLE AND METHOD OF MAKING SAME | Nov 05, 19 | Mar 26, 20 | Not available |
| 2020/0039,619 | Propeller Assembly With Hub Structure Which Reduces Gear Noise During Operation | Aug 01, 18 | Feb 06, 20 | Not available |
| 2019/0100,293 | UNIDIRECTIONAL TORQUE BOOSTING PROPELLER | Nov 21, 17 | Apr 04, 19 | Not available |
| 2018/0105,245 | APPARATUS AND SYSTEM FOR PROPELLER BLADE AFT RETENTION | Oct 17, 16 | Apr 19, 18 | Not available |
| 2018/0105,243 | APPARATUS AND SYSTEM FOR PROPELLER BLADE FORWARD RETENTION | Oct 17, 16 | Apr 19, 18 | Not available |
| 2018/0105,246 | APPARATUS AND SYSTEM FOR MARINE PROPELLER BLADE DOVETAIL STRESS REDUCTION | Oct 17, 16 | Apr 19, 18 | Not available |
| 2018/0105,242 | METHOD AND SYSTEM FOR IMPROVING FLOW CHARACTERISTICS IN MARINE PROPELLERS | Oct 17, 16 | Apr 19, 18 | Not available |
| 2018/0105,240 | WOUND DOVETAIL WEDGE FOR MARINE PROPELLER RETENTION | Oct 17, 16 | Apr 19, 18 | Not available |
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