- 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: 136
10-year publication summary
|
6
|
13
|
10
|
8
|
10
|
7
|
9
|
9
|
5
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Edwards Limited | 788 |
5 |
| Microsoft Technology Licensing, LLC | 54052 |
4 |
| INFICON AG | 25 |
4 |
| INFICON GmbH | 41 |
4 |
| Sumitomo (SHI) Cryogenics of America, Inc. | 78 |
4 |
| Q'z Corporation | 6 |
4 |
| Azbil Corporation | 469 |
3 |
| Canon Anelva Corporation | 683 |
3 |
| ULVAC, Inc. | 1376 |
3 |
| International Business Machines Corporation | 61621 |
2 |
| Robert Bosch GmbH | 42887 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 32139 |
2 |
| Whirlpool Corporation | 4445 |
2 |
| Arradiance, LLC | 16 |
2 |
| British Columbia Institute of Technology | 39 |
2 |
| Google LLC | 42794 |
2 |
| MKS Instruments, Inc. | 643 |
2 |
| OCI Company Ltd. | 158 |
2 |
| Rev.Com, Inc. | 21 |
2 |
| Vtec Co., Ltd. | 31 |
2 |
| Other owners | 80 |