| 9993773 | Energy recovery system | Mar 13, 15 | Jun 12, 18 | Ebara Corporation |
| 9995177 | Self cleaning debris filter for fan drive gear system | Feb 19, 14 | Jun 12, 18 | United Technologies Corporation |
| 9995269 | Power converting apparatus | Apr 21, 14 | Jun 12, 18 | INGINE, INC. |
| 9995268 | Water surface floating high efficiency waterwheel generator | Aug 21, 14 | Jun 12, 18 | Not available |
| 9983241 | Method and a control unit for validating an electric power plant | Sep 22, 14 | May 29, 18 | Siemens Aktiengesellschaft |
| 9982655 | Rotor and fluid turbine with rotor | Apr 02, 15 | May 29, 18 | WINDTREE GMBH |
| 9981225 | Method of converting thermal energy into mechanical energy, and an apparatus therefor | Feb 29, 12 | May 29, 18 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO |
| 9982652 | System and method for insertion and extraction of a device to and from a fluid-containing body | Oct 21, 14 | May 29, 18 | Hydrospin Monitoring Solutions Ltd |
| 9976536 | Air turbine for applications in wave energy conversion | May 15, 14 | May 22, 18 | Instituto Superior Tecnico |
| 9976535 | System for producing energy through the action of waves | Dec 22, 14 | May 22, 18 | Gwave LLC |
| 9973057 | Linear generator and linear drive | Jan 30, 14 | May 15, 18 | SINN Power GmbH |
| 9970306 | Fluid dynamic machine with one or more impellers with restrained control mobile blades | Nov 20, 12 | May 15, 18 | Not available |
| 9970409 | Adaptive hydraulic pressure generator | Mar 20, 13 | May 15, 18 | AALTO UNIVERSITY FOUNDATION |
| 9963984 | Structural guide vane for gas turbine engine | Mar 05, 14 | May 08, 18 | United Technologies Corporation |
| 9964314 | Trigeneration energy supply system | Jan 20, 14 | May 08, 18 | Korea Institute of Energy Research |
| 9957018 | System for wave amplifying, wave energy harnessing, and energy storage | Aug 11, 17 | May 01, 18 | Not available |
| 9957803 | End supported helical turbine | Jul 21, 14 | May 01, 18 | GOX AB |
| 9951747 | Method and system for extracting kinetic energy from surface waves of a water | Oct 10, 13 | Apr 24, 18 | Rijksuniversiteit Groningen; |
| 9951745 | Axial flow water turbine | Mar 20, 14 | Apr 24, 18 | KABUSHIKI KAISHA TOSHIBA |
| 9951748 | Hydroelectric power system and pump | Jan 22, 13 | Apr 24, 18 | YOURBROOK ENERGY SYSTEMS LTD. |