- 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: 135
10-year publication summary
|
13
|
6
|
13
|
10
|
8
|
11
|
7
|
8
|
8
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Technology Licensing, LLC | 51439 |
5 |
| Edwards Limited | 764 |
5 |
| Sumitomo (SHI) Cryogenics of America, Inc. | 80 |
5 |
| INFICON AG | 20 |
4 |
| INFICON GmbH | 59 |
4 |
| Azbil Corporation | 486 |
3 |
| Canon Anelva Corporation | 676 |
3 |
| ULVAC, Inc. | 1448 |
3 |
| Q'z Corporation | 5 |
3 |
| International Business Machines Corporation | 60644 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Huawei Technologies Co., Ltd. | 100781 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
2 |
| British Columbia Institute of Technology | 41 |
2 |
| Google LLC | 38759 |
2 |
| MKS Instruments, Inc. | 698 |
2 |
| OCI Company Ltd. | 131 |
2 |
| Rev.Com, Inc. | 20 |
2 |
| Vtec Co., Ltd. | 22 |
2 |
| INFICON Holding AG | 164 |
2 |
| Other owners | 78 |