- All sections
- H - Electricity
- H01J - Electric discharge tubes or discharge lamps
- H01J 41/02 - Discharge tubes and means integral therewith for measuring gas pressure
Patent holdings for IPC class H01J 41/02
Total number of patents in this class: 17
10-year publication summary
|
4
|
3
|
3
|
2
|
0
|
1
|
0
|
1
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MKS Instruments, Inc. | 698 |
5 |
| Northeastern University | 1056 |
2 |
| General Electric Company | 18133 |
1 |
| Aerojet Rocketdyne, Inc. | 155 |
1 |
| INFICON Aktiengesellschaft | 2 |
1 |
| INFICON AG | 20 |
1 |
| INFICON GmbH | 59 |
1 |
| JEOL Ltd. | 556 |
1 |
| Metrolab | 27 |
1 |
| Chemring Sensors and Electronic Systems, Inc. | 39 |
1 |
| NXP B.V. | 2185 |
1 |
| GSI Helmholtzzentrum für Schwerionenforschung GmbH | 83 |
1 |
| Other owners | 0 |