Patent holdings for IPC class G21D 7/04

Total number of patents in this class: 43

10-year publication summary

3
1
4
2
3
4
10
4
5
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Terrapower, LLC
336
6
Rolls-Royce Submarines Limited
14
5
NuScale Power, LLC
284
4
SOLETANCHE FREYSSINET, société par actions simplifiée
37
4
Canadian Space Mining Corporation
6
3
Battelle Energy Alliance, LLC
594
2
Lenr Cars SA
4
2
United States of America AS represented by The Administrator of NASA
447
2
Toshiba Corporation
12548
1
Bank of America, N.A., AS The Successor Agent
54
1
Hamilton Sundstrand Space Systems International, Inc.
105
1
KEPCO Nuclear Fuel Co., Ltd.
143
1
Qnergy Inc
5
1
Westinghouse Electric Company LLC
1154
1
Deep Isolation, Inc.
67
1
RIToN Holding Ltd
4
1
Spark Thermionics, Inc.
7
1
Obshchestvo S Ogranichennoy Otvetstvennostyu "nauchno-tekhnicheskiy Tsentr Innovatsiy"
1
1
Shanghai Nuclear Engineering Research & Design Institute Co., Ltd.
78
1
Idealab Studio, LLC
23
1
Other owners 3