- All sections
 - G - Physics
 - G21C - Nuclear reactors
 - G21C 7/117 - Clusters of control rodsSpider construction
 
Patent holdings for IPC class G21C 7/117
Total number of patents in this class: 68
10-year publication summary
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					 4 
					
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					 1 
					
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					 8 
					
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					 2 
					
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					 2 
					
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					 2 
					
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					 2 
					
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					 11 
					
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					 2 
					
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					 3 
					
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 
Principal owners for this class
| Owner | 
				 All patents 
			 | 
			
				 This class 
			 | 
		
|---|---|---|
| BWXT Mpower, Inc. | 156  | 
				11  | 
			
| Westinghouse Electric Company LLC | 1156  | 
				11  | 
			
| BWXT Advanced Technologies LLC | 122  | 
				11  | 
			
| NuScale Power, LLC | 279  | 
				8  | 
			
| BWXT Nuclear Operations Group, Inc. | 41  | 
				6  | 
			
| Areva NP | 211  | 
				5  | 
			
| Framatome ANP | 92  | 
				2  | 
			
| SMR Inventec, LLC | 48  | 
				2  | 
			
| Westinghouse Electric Sweden AB | 99  | 
				2  | 
			
| Framatome GmbH | 254  | 
				2  | 
			
| The Regents of the University of California | 20195  | 
				1  | 
			
| Mitsubishi Heavy Industries, Ltd. | 8846  | 
				1  | 
			
| Babcock & Wilcox Mpower, Inc. | 55  | 
				1  | 
			
| Babcock & Wilcox Nuclear Energy, Inc. | 21  | 
				1  | 
			
| KEPCO Nuclear Fuel Co., Ltd. | 142  | 
				1  | 
			
| Framatome Inc. | 49  | 
				1  | 
			
| Steady Energy Oy | 4  | 
				1  | 
			
| Deep Fission, Inc. | 6  | 
				1  | 
			
| Other owners | 0 |