Description
Class F03B : MACHINES OR ENGINES FOR LIQUIDS
Subclass 11/04: Parts or details not provided for in, or of interest apart from, groups F03B 1/00-F03B 9/00 (controlling F03B 15/00) for diminishing cavitation or vibration, e.g. balancing
F03B 11/04
Sub-Class
Stats
- 41 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 22 Total Patent Owners
- 130 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12196169 | Hydro turbine with reduced cavitation | Aug 30, 21 | Jan 14, 25 | TMV Detections Oy |
| 12104566 | Method and device for determining suction height of variable speed units | Jun 28, 23 | Oct 01, 24 | CHINA THREE GORGES CORPORATION |
| 12037975 | Francis-type hydraulic machine | Jul 20, 23 | Jul 16, 24 | Voith Patent GmbH |
| 12012922 | Wave energy absorbing and converting device and power generation system | Aug 27, 20 | Jun 18, 24 | Not available |
| 11719214 | Hydroturbine runner crown with balancing slots | Nov 20, 19 | Aug 08, 23 | GE RENEWABLE TECHNOLOGIES |
| 11239778 | Stabilization of hydraulic machines with S-zone characteristics | Feb 09, 18 | Feb 01, 22 | Not available |
| 11199198 | Centrifugal compressor | Nov 10, 20 | Dec 14, 21 | IHI Corporation |
| 11073124 | Hydraulic turbine | Nov 18, 19 | Jul 27, 21 | GE RENEWABLE TECHNOLOGIES |
| 11022087 | Double-regulated turbine, installation for converting hydraulic energy and process for the rehabilitation of a double-regulated turbine | Apr 17, 15 | Jun 01, 21 | Alstom Renewable Technologies |
| 10961978 | Turbine unit for hydraulic installation | Jan 21, 16 | Mar 30, 21 | GE Renewable Techologies |
| 10871168 | Impeller for a pump or turbine, and pump or turbine with impeller | Dec 19, 14 | Dec 22, 20 | Not available |
| 10480480 | Hydraulic turbine | Jul 20, 17 | Nov 19, 19 | GE RENEWABLE TECHNOLOGIES |
| 10443561 | Hydroelectric power generation device for operation with water flow of sanitary piping | May 15, 18 | Oct 15, 19 | Not available |
| 9759217 | Self-priming centrifugal pump | Aug 09, 12 | Sep 12, 17 | KABUSHIKI KAISHA YOKOTA SEISAKUSHO |
| 9617968 | Hydraulic machine | Jul 26, 12 | Apr 11, 17 | VOITH PATENT GMBH |
| 9404470 | Hydraulic machine and method of operating same | Aug 27, 13 | Aug 02, 16 | KABUSHIKI KAISHA TOSHIBA |
| 9341067 | Blade arrangement and associated gas turbine | Sep 20, 11 | May 17, 16 | SIEMENS AKTIENGESELLSCHAFT |
| 9279471 | Mechanically optimized liquid inertia vibration eliminator and aircraft pylon system | Feb 19, 14 | Mar 08, 16 | TEXTRON INNOVATIONS INC. |
| 9181957 | Hydraulic machine | Oct 05, 09 | Nov 10, 15 | KABUSHIKI KAISHA TOSHIBA |
| 9003785 | Installation for converting hydraulic energy into mechanical or electrical energy | Jan 22, 10 | Apr 14, 15 | ALSTOM RENEWABLE TECHNOLOGIES |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0012,248 | METHOD OF REFURBISHING AN ENERGY CONVERSION FACILITY AND REFURBISHED ENERGY CONVERSION FACILITY | Sep 13, 24 | Jan 09, 25 | Voith Patent GmbH |
| 2022/0120,253 | HYDROTURBINE RUNNER BLADE LOCAL EXTENSION TO AVOID CAVITATION EROSION | Jan 17, 20 | Apr 21, 22 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 39 Months (last 2 years Issuances)
- 39 Months (last 5 years Issuances)