Description
Class G21D : NUCLEAR POWER PLANT
Subclass 1/04: Details of nuclear power plant (control G21D 3/00) Pumping arrangements (by means within the reactor pressure vessel G21C 15/24 )
G21D 1/04
Sub-Class
Stats
- 34 US PATENTS IN FORCE
- 4 US APPLICATIONS PENDING
- 14 Total Patent Owners
- 126 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12243659 | Hydrogenation system for a pressurized water reactor | Jul 03, 19 | Mar 04, 25 | Framatome GmbH |
| 12057240 | Compact reactor with horizontal steam generators and pressurizer | Jul 02, 18 | Aug 06, 24 | INVAP S.E. |
| 11984234 | Condensate system for recuperating energy from a nuclear power plant | Dec 29, 17 | May 14, 24 | JOINT STOCK COMPANY “ATOMENERGOPROEKT”; Joint Stock Company Scientific Research and Design Institute for Energy Technologies ATOMPROEKT; JOINT STOCK COMPANY “SCIENCE AND INNOVATIONS”; |
| 11975275 | Method and apparatus for filtering fluid in nuclear power generation | Apr 18, 23 | May 07, 24 | CANDU ENERGY INC. |
| 11837370 | Pressurized water reactor with upper vessel section providing both pressure and flow control | Jan 11, 21 | Dec 05, 23 | BWXT mPower, Inc. |
| 11193292 | Nuclear power plant having a protective superstructure | May 21, 18 | Dec 07, 21 | Rolls Royce Power Engineering Plc |
| 11170902 | Nuclear power plant and method for operating a nuclear power plant | Nov 22, 16 | Nov 09, 21 | Framatome GmbH |
| 11145424 | Direct heat exchanger for molten chloride fast reactor | Jan 31, 19 | Oct 12, 21 | TerraPower, LLC. |
| 11031146 | Method for heating a primary coolant in a nuclear steam supply system | Sep 10, 18 | Jun 08, 21 | SMR INVENTEC, LLC |
| 10892061 | Pressurized water reactor with upper vessel section providing both pressure and flow control | Jul 06, 18 | Jan 12, 21 | BWXT mPower, Inc. |
| 10784005 | Device for removing foreign objects from nuclear reactor vessel | Dec 12, 17 | Sep 22, 20 | Sichuan Xingzhi Zhihui Intellectual Property Operation Co., Ltd. |
| 10777329 | Methods and apparatuses for pump sealing during leakage events | Dec 30, 11 | Sep 15, 20 | Hitachi America Ltd. |
| 10690249 | Active surface for a packing seal intended for a shaft sealing system | Jul 22, 14 | Jun 23, 20 | Areva Np |
| 10665355 | Nuclear power plant | Sep 09, 15 | May 26, 20 | Korea Atomic Energy Research Institute |
| 10641133 | Managing water-supply pumping for an electricity production plant circuit | Apr 21, 17 | May 05, 20 | Alsthom-Atlantique & Electricite de France |
| 10510454 | Main pump shaft seal water injection system of a nuclear power station | Dec 09, 16 | Dec 17, 19 | CHINA NUCLEAR POWER ENGINEERING CO., LTD.; Shenyang Blower Group Nuclear Power Pumps Co., Ltd.; CHINA GENERAL NUCLEAR POWER GROUP; |
| 10276270 | Nuclear reactor coolant pump and nuclear power plant having same | Nov 25, 14 | Apr 30, 19 | Korea Atomic Energy Research Institute |
| 10221948 | Active surface for a packing seal intended for a shaft sealing system | Jul 22, 14 | Mar 05, 19 | Areva Np |
| 10208794 | Water lubricated composite thrust bearing of nuclear main pump | May 31, 16 | Feb 19, 19 | DALIAN SANHUAN COMPOSITE MATERIAL TECHNOLOGY DEVELOPMENT CO., LTD. |
| 10115487 | Shutdown system for a nuclear steam supply system | Oct 04, 13 | Oct 30, 18 | SMR INVENTEC, LLC |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2020/0395,139 | METHODS AND APPARATUSES FOR PUMP SEALING DURING LEAKAGE EVENTS | Aug 27, 20 | Dec 17, 20 | Not available |
| 2018/0358,140 | DEVICE FOR REMOVING FOREIGN MATTERS IN NUCLEAR REACTOR VESSEL | Dec 12, 17 | Dec 13, 18 | Not available |
| 2016/0240,273 | HYBRID NUCLEAR-HYDRO POWER PLANT | Feb 14, 15 | Aug 18, 16 | Not available |
| 2016/0172,062 | ACTIVE SURFACE FOR A PACKING SEAL INTENDED FOR A SHAFT SEALING SYSTEM | Jul 22, 14 | Jun 16, 16 | AREVA NP |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 40 Months (last 2 years Issuances)
- 40 Months (last 5 years Issuances)