Class B63H : MARINE PROPULSION OR STEERING
Subclass 1/16: 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) having a shrouding ring attached to blades
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12221195 | Fluid machine and underwater vehicle | Mar 21, 22 | Feb 11, 25 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 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.; |
| 12097940 | High efficiency rotating equipment having contra-rotating propeller | Mar 28, 22 | Sep 24, 24 | VAM CO., LTD. |
| 12038016 | Blower | Dec 08, 20 | Jul 16, 24 | LG Electronics Inc. |
| 11945562 | Shovel blade airplane/boat propeller | Sep 20, 23 | Apr 02, 24 | Cyclazoom, LLC |
| 11827322 | Outboard motor | May 24, 21 | Nov 28, 23 | Yamaha Hatsudoki Kabushiki Kaisha |
| 11760459 | Driving unit for a tunnel thruster and a tunnel thruster with such driving unit | Sep 24, 21 | Sep 19, 23 | Not available |
| 11691708 | Fluid machine | May 26, 22 | Jul 04, 23 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 11685492 | Propulsion enhancing device and watercraft comprising same | Aug 20, 21 | Jun 27, 23 | Vortex Pipe Systems LLC |
| 11530020 | Recuperative jet drive | May 28, 18 | Dec 20, 22 | Not available |
| 11511837 | Hybrid propulsor for watercraft | Jun 26, 20 | Nov 29, 22 | Not available |
| 11420716 | Vessel propulsion system and vessel including the same | Aug 27, 19 | Aug 23, 22 | Yamaha Hatsudoki Kabushiki Kaisha |
| 11396355 | Bracket for mounting a thruster to a boat | Nov 30, 21 | Jul 26, 22 | The Yacht Group LLC |
| 11319044 | Bracket for mounting a thruster to a boat | Oct 01, 21 | May 03, 22 | The Yacht Group LLC |
| 11247758 | Propulsion enhancing device and watercraft comprising same | May 07, 21 | Feb 15, 22 | Vortex Pipe Systems LLC |
| 11220318 | Bracket for mounting a thruster to a boat | Aug 10, 21 | Jan 11, 22 | The Yacht Group LLC |
| 11098728 | Impeller and method for producing such an impeller | Feb 01, 16 | Aug 24, 21 | Atlas Copco Airpower naamloze vennootschap |
| 10988223 | Electrical underwater jet motor with multiple stator for sea vehicles | Sep 13, 19 | Apr 27, 21 | MISAL TASARIM DANISMANLIK MAKINA MEDIKAL ITHALAT IHRACAT SAN. VE TIC. LTD. STI. |
| 10960963 | Underwater propulsion unit | Mar 08, 18 | Mar 30, 21 | YANMAR POWER TECHNOLOGY CO., LTD. |
| 10953974 | Stern-mounted lateral marine thruster | May 14, 19 | Mar 23, 21 | Sideshift Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0108,896 | Rim Driven Thruster and Method for Propelling a Ship | Mar 28, 23 | Apr 03, 25 | Not available |
| 2024/0317,373 | PROPULSION DEVICE AND UNDERWATER ROBOT | Jun 05, 24 | Sep 26, 24 | Not available |
| 2024/0262,475 | MARINE PROPULSION DEVICE AND MARINE VESSEL | Feb 01, 24 | Aug 08, 24 | Not available |
| 2024/0190,546 | MARINE PROPULSION DEVICE AND MARINE VESSEL | Nov 29, 23 | Jun 13, 24 | Not available |
| 2023/0249,792 | PROPULSION ENHANCING DEVICE AND WATERCRAFT COMPRISING SAME | Mar 20, 23 | Aug 10, 23 | Vortex Pipe Systems LLC |
| 2023/0150,631 | FLUID DRAWING INDUCTION MOTOR | Mar 29, 21 | May 18, 23 | Not available |
| 2023/0012,160 | HUBLESS PROPULSION UNIT | Sep 19, 22 | Jan 12, 23 | Everon Corporation |
| 2020/0031,446 | ROTATING ELECTRICAL MACHINE APPARATUS | Oct 03, 19 | Jan 30, 20 | Yamaha Hatsudoki Kabushiki Kaisha |
| 2019/0382,090 | VESSEL PROPULSION SYSTEM AND VESSEL INCLUDING THE SAME | Aug 27, 19 | Dec 19, 19 | Not available |
| 2019/0233,072 | WATER PROPULSION APPARATUS | Jan 29, 19 | Aug 01, 19 | Not available |
| 2018/0257,750 | MARINE PROPULSION UNIT | May 10, 18 | Sep 13, 18 | Not available |
| 2018/0134,353 | VESSEL PROPULSION APPARATUS AND VESSEL INCLUDING THE SAME | Nov 13, 17 | May 17, 18 | Not available |
| 2015/0210,370 | RING PROPELLER WITH FORWARD SCREW | Aug 13, 13 | Jul 30, 15 | ROLLS-ROYCE MARINE AS |
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