- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 7/26 - Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space by flow of fluid through passages associated with tube or lamp
Patent holdings for IPC class H01J 7/26
Total number of patents in this class: 18
10-year publication summary
|
6
|
0
|
2
|
1
|
1
|
1
|
1
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Laird Thermal Systems, Inc. | 33 |
3 |
| Southern Linac, LLC | 5 |
2 |
| Hewlett-Packard Development Company, L.P. | 28538 |
1 |
| Nikon Corporation | 7162 |
1 |
| Communications & Power Industries, Inc. | 3 |
1 |
| Elements Performance Materials Limited | 7 |
1 |
| Express Imaging Systems, LLC | 94 |
1 |
| iLumisys, Inc. | 133 |
1 |
| ion Technology Solutions, LLC | 17 |
1 |
| Maxs AG | 2 |
1 |
| Rapiscan Systems, Inc. | 300 |
1 |
| SCHOTT AG | 1675 |
1 |
| Ushio Denki Kabushiki Kaisha | 1088 |
1 |
| Xyleco, Inc. | 217 |
1 |
| Canon Electron Tubes & Devices Co., Ltd. | 154 |
1 |
| Other owners | 0 |