Class B63H : MARINE PROPULSION OR STEERING
Subclass 1/28: 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) Other means for improving propeller efficiency (water-guiding elements formed by shape of hull B63H 5/00)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12145696 | Watercraft | Apr 03, 20 | Nov 19, 24 | Dillinger Pty Ltd |
| 12030605 | Shallow water propellers | Jul 03, 23 | Jul 09, 24 | Not available |
| 12012182 | Surf thrust system | Sep 27, 21 | Jun 18, 24 | Not available |
| 11981410 | Stern bulbs | Aug 06, 21 | May 14, 24 | Not available |
| 11584492 | Directed thrust propulsion system | Jun 29, 22 | Feb 21, 23 | Not available |
| 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 |
| 11292570 | Method and system for optimizing operation of vessel | Dec 09, 19 | Apr 05, 22 | Wartsila Finland OY |
| 11235846 | Prevention of cavitation | Apr 20, 18 | Feb 01, 22 | NewSouth Innovations Pty Limited |
| 10953968 | Control of propeller shaft movement | Jun 07, 17 | Mar 23, 21 | ABB Schweiz AG |
| 10946945 | Cutting device for propeller driven watercraft | Oct 17, 18 | Mar 16, 21 | Not available |
| 10882593 | Peller blade with a flap | Jul 31, 20 | Jan 05, 21 | Not available |
| 10781789 | Structure with rigid winglet adapted to traverse a fluid environment | Aug 05, 15 | Sep 22, 20 | BIOMERENEWABLES INC. |
| 10710686 | Long shaft propeller controller and bearing seal protector | Jan 08, 19 | Jul 14, 20 | Not available |
| 10710687 | Unidirectional torque boosting propeller | Nov 21, 17 | Jul 14, 20 | Not available |
| 10703452 | Apparatus and system for propeller blade aft retention | Oct 17, 16 | Jul 07, 20 | General Electric Company |
| 10703453 | Marine vessel | Dec 21, 18 | Jul 07, 20 | Meyer Turku Oy |
| 10690110 | Structure with rigid projections adapted to traverse a fluid environment | Aug 05, 15 | Jun 23, 20 | Not available |
| 10633067 | Method and system for improving flow characteristics in marine propellers | Oct 17, 16 | Apr 28, 20 | General Electric Company |
| 10578076 | Fluid-redirecting structure | Aug 05, 15 | Mar 03, 20 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0002,133 | Controlling A Marine Vehicle Propulsion System | Jun 25, 24 | Jan 02, 25 | Not available |
| 2024/0262,476 | BOAT PROPULSOR, BOAT, AND PLATE | Dec 11, 23 | Aug 08, 24 | Not available |
| 2024/0076,023 | VENTILATION CONTROL SYSTEM | Apr 05, 23 | Mar 07, 24 | Not available |
| 2023/0202,628 | ARRANGEMENT TO REDUCE A PROPULSION POWER REQUIREMENT OF A WATERCRAFT | May 28, 21 | Jun 29, 23 | becker marine systems GmbH & Co. KG |
| 2022/0315,185 | FLUID MACHINE AND UNDERWATER VEHICLE | Mar 24, 22 | Oct 06, 22 | Not available |
| 2022/0315,183 | FLUID MACHINE AND UNDERWATER VEHICLE | Mar 22, 22 | Oct 06, 22 | Not available |
| 2022/0315,184 | FLUID MACHINE AND UNDERWATER VEHICLE | Mar 23, 22 | Oct 06, 22 | Not available |
| 2022/0073,176 | METAL POLYMER COMPOSITE FOR MAKING BALANCING WEIGHTS FOR PROPELLERS AND METHOD OF MAKING AND USING THE SAME | Nov 12, 21 | Mar 10, 22 | Tundra Composites LLC |
| 2020/0361,584 | VENTILATION CONTROL SYSTEM | Jan 28, 20 | Nov 19, 20 | Not available |
| 2020/0331,574 | BOAT PROPELLER | May 10, 19 | Oct 22, 20 | Not available |
| 2019/0283,849 | METAL POLYMER COMPOSITE FOR MAKING BALANCING WEIGHTS FOR APROPELLERS AND METHOD OF MAKING AND USING THE SAME | Mar 14, 19 | Sep 19, 19 | Tundra Composites LLC |
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