- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid level; metering by volume
- G01F 15/04 - Compensating or correcting for variations in pressure, density, or temperature of gases to be measured
Patent holdings for IPC class G01F 15/04
Total number of patents in this class: 156
10-year publication summary
|
17
|
14
|
17
|
27
|
14
|
9
|
11
|
9
|
10
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 5618 |
19 |
| Itron, Inc. | 815 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
7 |
| Endress+Hauser Flowtec AG | 794 |
5 |
| Honeywell International Inc. | 13799 |
4 |
| Hitachi Metals, Ltd. | 2175 |
4 |
| MKS Instruments, Inc. | 698 |
4 |
| Saudi Arabian Oil Company | 11322 |
4 |
| Tokyo Gas Co., Ltd. | 84 |
4 |
| Natural Gas Solutions North America, LLC | 119 |
4 |
| Ventbuster Holdings Inc. | 10 |
4 |
| Denso Corporation | 23338 |
3 |
| Air Products and Chemicals, Inc. | 1448 |
3 |
| Aramco Services Company | 3504 |
3 |
| Fujikin Incorporated | 671 |
3 |
| Rosemount Inc. | 1212 |
3 |
| Sensus Spectrum LLC | 246 |
3 |
| Chengdu Qinchuan IoT Technology Co., Ltd. | 291 |
3 |
| Robert Bosch GmbH | 40953 |
2 |
| Koninklijke Philips Electronics N.V. | 13133 |
2 |
| Other owners | 63 |