Description
Class F03B : MACHINES OR ENGINES FOR LIQUIDS
Subclass 3/00: Machines or engines of reaction type; Parts or details peculiar thereto
F03B 3/00
Sub-Class
Stats
- 35 US PATENTS IN FORCE
- 4 US APPLICATIONS PENDING
- 20 Total Patent Owners
- 151 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11781520 | Method to lift water and generate electrical power | Apr 23, 20 | Oct 10, 23 | Not available |
| 11629684 | Multi-staged cowl for a hydrokinetic turbine | Mar 13, 20 | Apr 18, 23 | TELESYSTEME ENERGIE LTEE |
| 11532949 | System for energy storage and electrical power generation | Jul 21, 21 | Dec 20, 22 | AUGWIND LTD. |
| 10865764 | Flow hydro turbine | Jan 18, 19 | Dec 15, 20 | Goran Kepnik S.P. |
| 10781720 | Multi-stage radial flow turbine | Dec 05, 17 | Sep 22, 20 | Not available |
| 10487793 | Method for mounting a guide apparatus | Feb 05, 16 | Nov 26, 19 | Voith Patent GmbH |
| 10443561 | Hydroelectric power generation device for operation with water flow of sanitary piping | May 15, 18 | Oct 15, 19 | Not available |
| 10240459 | Swash-plate hydraulic motor or swash-plate hydraulic pump | Dec 26, 12 | Mar 26, 19 | Nabtesco Corporation |
| 10208735 | Wind turbine with thermal battery using noncombustible fuels for storing regenerating energy | Jan 31, 17 | Feb 19, 19 | Not available |
| 10077755 | Method and device for producing a driving force by bringing about differences in a closed gas/liquid system | Jun 11, 12 | Sep 18, 18 | Not available |
| 9863394 | Fluid turbine | Apr 02, 15 | Jan 09, 18 | CASSIUS ADVISIORS GMBH, WINDTREE GMBH, |
| 9856853 | Multi-stage radial flow turbine | Mar 13, 14 | Jan 02, 18 | Not available |
| 9751602 | Floating structure fluid dynamic force use system and wind-propelled vessel | Nov 02, 12 | Sep 05, 17 | NAKAMURA, TAKUJU |
| 9611829 | Flowing water energy conversion system | Nov 11, 13 | Apr 04, 17 | Not available |
| 9581127 | Device for generating hydro-electric energy | Jan 16, 14 | Feb 28, 17 | WELLS FARGO BANK, NATIONAL ASSOCIATION |
| 9297349 | Hydroelectric turbine system and method of manufacture | Oct 31, 12 | Mar 29, 16 | THE BOEING COMPANY |
| 9234494 | Power generator | Dec 18, 13 | Jan 12, 16 | Not available |
| 8909454 | Control of compression system with independently actuated inlet guide and/or stator vanes | Apr 08, 11 | Dec 09, 14 | GENERAL ELECTRIC COMPANY |
| 8807932 | Hydraulic power unit having ceramic oscillator, and hydraulic engine including the hydraulic power unit | Oct 31, 11 | Aug 19, 14 | Not available |
| 8678762 | Conical air flow system | Jun 17, 10 | Mar 25, 14 | M.A.D. Capital LLC |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0043,760 | WATER TURBINE GENERATOR WITH BYPASS FLOW CONTROL | Jul 18, 24 | Feb 06, 25 | Not available |
| 2024/0247,632 | Hydropower Water Source Modification | Jan 18, 24 | Jul 25, 24 | Not available |
| 2020/0291,916 | MULTI-STAGED COWL FOR A HYDROKINETIC TURBINE | Mar 13, 20 | Sep 17, 20 | Not available |
| 2018/0163,567 | MULTI-STAGE RADIAL FLOW TURBINE | Dec 05, 17 | Jun 14, 18 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 33 Months (last 2 years Issuances)
- 33 Months (last 5 years Issuances)