- All sections
- G - Physics
- G01L - Measuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure
- G01L 21/00 - Vacuum gauges
Patent holdings for IPC class G01L 21/00
Total number of patents in this class: 134
10-year publication summary
|
6
|
13
|
10
|
8
|
11
|
7
|
8
|
8
|
5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Edwards Limited | 791 |
5 |
| Microsoft Technology Licensing, LLC | 53667 |
4 |
| INFICON AG | 24 |
4 |
| INFICON GmbH | 42 |
4 |
| Sumitomo (SHI) Cryogenics of America, Inc. | 78 |
4 |
| Azbil Corporation | 465 |
3 |
| Canon Anelva Corporation | 686 |
3 |
| ULVAC, Inc. | 1380 |
3 |
| Q'z Corporation | 6 |
3 |
| International Business Machines Corporation | 61198 |
2 |
| Robert Bosch GmbH | 42647 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 31273 |
2 |
| Whirlpool Corporation | 4412 |
2 |
| Arradiance, LLC | 16 |
2 |
| British Columbia Institute of Technology | 40 |
2 |
| Google LLC | 42096 |
2 |
| MKS Instruments, Inc. | 652 |
2 |
| OCI Company Ltd. | 152 |
2 |
| Rev.Com, Inc. | 21 |
2 |
| Vtec Co., Ltd. | 30 |
2 |
| Other owners | 79 |