Description
Class F03B : MACHINES OR ENGINES FOR LIQUIDS
Subclass 11/06: Parts or details not provided for in, or of interest apart from, groups F03B 1/00-F03B 9/00 (controlling F03B 15/00) Bearing arrangements
F03B 11/06
Sub-Class
Stats
- 58 US PATENTS IN FORCE
- 5 US APPLICATIONS PENDING
- 23 Total Patent Owners
- 161 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12188445 | Kinetic machine, powered by flowing water for the extraction of energy by pressurizing water | Apr 12, 22 | Jan 07, 25 | Not available |
| 12071891 | Electrical power generation using compressed gas | Aug 30, 22 | Aug 27, 24 | ADG POWER, LLC |
| 12049863 | Portable hydroelectric generator or alternator and system and method of generating endless and uninterrupted electricity using gravity water flow | Jan 18, 24 | Jul 30, 24 | Not available |
| 11959451 | Pumped-storage hydropower generation tower employing conduit turbines installed in multiple stages | Sep 06, 19 | Apr 16, 24 | Not available |
| 11719215 | Conduit turbine for supporting conduit of water wheel rotational body, and hydroelectric generator having conduit turbines serially provided in multiple levels | Sep 06, 19 | Aug 08, 23 | Not available |
| 11680605 | Bearing assembly | Dec 12, 18 | Jun 20, 23 | Aktiebolaget SKF |
| 11629685 | Electromagnetic turbine and fluid recirculation system | Apr 07, 21 | Apr 18, 23 | Not available |
| 11488098 | Expiration date notification method for puncture repair liquid | Jan 22, 18 | Nov 01, 22 | The Yokohama Rubber Co. Ltd. |
| 11428201 | Rotor shaft unit | Jul 09, 20 | Aug 30, 22 | Aktiebolaget SKF |
| 11319919 | Rolling bearing protection device and vertical-axis tidal current energy generating device applying the same | Jun 21, 21 | May 03, 22 | ZHEJIANG ZHOUSHAN LHD ENERGY DEVELOPMENT CO., LTD. |
| 11300006 | Guide vane bearing and maintenance method | Dec 19, 17 | Apr 12, 22 | Voith Patent GmbH |
| 11009077 | Sealed bearing module | Jun 28, 19 | May 18, 21 | Aktiebolaget SKF |
| 10961977 | Variable guide bearing | Oct 25, 19 | Mar 30, 21 | ANDRITZ HYDRO CANADA INC. |
| 10920739 | Wave-power system | Jan 16, 19 | Feb 16, 21 | Not available |
| 10876513 | Turbine assembly | Apr 02, 15 | Dec 29, 20 | VERDERG LTD |
| 10662917 | Water turbine, and connecting structure of two male screw shafts and connecting structure of two shafts respectively used for water turbine | Mar 16, 17 | May 26, 20 | NTN Corporation |
| 10648449 | Hydroelectric power generation apparatus | Feb 01, 17 | May 12, 20 | NTN Corporation |
| 10634112 | Bearing module for adjusting a rotor blade angle of attack in an underwater power plant | Jul 21, 17 | Apr 28, 20 | Aktiebolaget SKF |
| 10544775 | Hydroelectric energy systems, and related components and methods | Oct 19, 16 | Jan 28, 20 | Oceana Energy Company |
| 10527021 | Hydraulic turbine | May 09, 16 | Jan 07, 20 | Natel Energy, Inc. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0084,820 | METHOD AND SYSTEM FOR OPTIMIZING OPERATING SWING OF VERTICAL SHAFT SUSPENDED HYDROGENERATOR UNIT | Sep 12, 23 | Mar 13, 25 | Not available |
| 2023/0008,888 | REPLACING A STUB SHAFT BEARING FOR A HYDROELECTRIC TURBINE USING A RUNNER HUB LIFTING DEVICE | Jul 06, 21 | Jan 12, 23 | Not available |
| 2022/0136,479 | THE IMPELLER ASSEMBLY FOR HYDROELECTRIC POWER GENERATION DEVICE | Mar 30, 20 | May 05, 22 | Not available |
| 2021/0017,951 | ROTOR SHAFT UNIT | Jul 09, 20 | Jan 21, 21 | Not available |
| 2018/0030,949 | BEARING MODULE FOR ADJUSTING A ROTOR BLADE ANGLE OF ATTACK IN AN UNDERWATER POWER PLANT | Jul 21, 17 | Feb 01, 18 | AKTIEBOLAGET SKF |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 34 Months (last 2 years Issuances)
- 34 Months (last 5 years Issuances)