- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 33/00 - Discharge tubes with provision for emergence of electrons or ions from the vessel; Lenard tubes
Patent holdings for IPC class H01J 33/00
Total number of patents in this class: 68
10-year publication summary
|
7
|
3
|
0
|
4
|
1
|
0
|
2
|
0
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tetra Laval Holdings & Finance S.A. | 2007 |
6 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
4 |
| Buhler AG | 531 |
3 |
| Hitachi Zosen Corporation | 609 |
3 |
| HS Foils Oy | 10 |
3 |
| Modern Electron, Inc. | 40 |
3 |
| Schlumberger Technology Corporation | 9690 |
2 |
| Schlumberger Canada Limited | 6913 |
2 |
| Schlumberger Technology B.v. | 4951 |
2 |
| Schlumberger Holdings Limited | 2947 |
2 |
| The Board of Trustees of the Leland Stanford Junior University | 6054 |
2 |
| citizen Watch Co., Ltd. | 1062 |
2 |
| National Institute for Materials Science | 1108 |
2 |
| Prad Research and Development Limited | 2696 |
2 |
| Services Petroliers Schlumberger | 5426 |
2 |
| The University of British Columbia | 1432 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| Samsung Display Co., Ltd. | 30585 |
1 |
| LG Electronics Inc. | 69257 |
1 |
| Canon Inc. | 36841 |
1 |
| Other owners | 22 |