Description
Class F03B : MACHINES OR ENGINES FOR LIQUIDS
Subclass 9/00: Endless-chain type machines or engines
F03B 9/00
Sub-Class
Stats
- 29 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 6 Total Patent Owners
- 87 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12092210 | Hydraulic pressure power battery | Dec 15, 22 | Sep 17, 24 | Not available |
| 12030732 | Subterranean energy storage system | Nov 06, 20 | Jul 09, 24 | ECONOMICAL ENERGY PTY LTD |
| 10415536 | Moving window frame with multiple windows and its application in the ocean, river, and wind | Dec 31, 13 | Sep 17, 19 | Not available |
| 10221830 | Linear Pelton turbine | Jul 25, 17 | Mar 05, 19 | Natel Energy, Inc. |
| 10167844 | Linear pelton turbine | Oct 13, 17 | Jan 01, 19 | Natel Energy, Inc. |
| 9689369 | Endless belt energy converter | Feb 15, 13 | Jun 27, 17 | Not available |
| 9644605 | Systems, methods, and apparatus for a flow control device for an emergency power generator | Jan 26, 16 | May 09, 17 | THE BOEING COMPANY |
| 9611829 | Flowing water energy conversion system | Nov 11, 13 | Apr 04, 17 | Not available |
| 9452721 | Systems, methods, and apparatus for an emergency power generator | Oct 02, 13 | Sep 27, 16 | THE BOEING COMPANY |
| 9341139 | Drive device driven by buoyancy and thermal energy | Mar 03, 14 | May 17, 16 | Not available |
| 9322386 | Hydro blade turbine system | Jul 19, 13 | Apr 26, 16 | Not available |
| 8907518 | Hybrid aerogenerator | Aug 05, 13 | Dec 09, 14 | Not available |
| 8646267 | Buoyant force power generation | Mar 02, 12 | Feb 11, 14 | Not available |
| 8354756 | Vertical axis turbine to generate wind power | Mar 20, 09 | Jan 15, 13 | Not available |
| 8258642 | Method and system for resonance dampening in wind turbines | Sep 27, 11 | Sep 04, 12 | GENERAL ELECTRIC COMPANY |
| 8143740 | Apparatus for storing and using wind energy | Feb 12, 09 | Mar 27, 12 | Not available |
| 8134251 | Wind turbine | Jun 10, 09 | Mar 13, 12 | Not available |
| 8093740 | Wind power generation system and operation method thereof | Jul 01, 09 | Jan 10, 12 | HITACHI, LTD. |
| 8004100 | Model based wind turbine drive train vibration damper | Mar 14, 08 | Aug 23, 11 | GENERAL ELECTRIC COMPANY |
| 7982330 | Wind turbine generator and cable supporting structure for use therein | Jul 31, 10 | Jul 19, 11 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0418,259 | HYDRAULIC PRESSURE POWER BATTERY | Aug 26, 24 | Dec 19, 24 | Not available |
| 2021/0062,777 | FLUID-DRIVEN APPARATUS FOR PROPULSION AND HYDROPOWER GENERATION | Sep 04, 19 | Mar 04, 21 | Not available |
| 2020/0056,576 | PUMPED-STORAGE HYDROELECTRICITY GENERATOR | May 03, 18 | Feb 20, 20 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 30 Months (last 2 years Issuances)
- 30 Months (last 5 years Issuances)