- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid level; metering by volume
- G01F 1/88 - Indirect mass flowmeters, e.g. measuring volume flow and density, temperature, or pressure with differential-pressure measurement to determine the volume flow
Patent holdings for IPC class G01F 1/88
Total number of patents in this class: 149
10-year publication summary
|
12
|
13
|
17
|
10
|
12
|
16
|
16
|
10
|
17
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| MKS Instruments, Inc. | 698 |
6 |
| Rosemount Inc. | 1212 |
6 |
| CNH Industrial Canada, Ltd. | 963 |
5 |
| Wuxi Sea Pioneers Technologies Co., Ltd. | 7 |
5 |
| Weatherford Technology Holdings, LLC | 2135 |
4 |
| Endress+Hauser Flowtec AG | 794 |
4 |
| HORIBA STEC, Co., Ltd. | 302 |
4 |
| Illinois Tool Works Inc. | 11152 |
3 |
| Chevron U.S.A. Inc. | 3774 |
3 |
| Cummins Inc. | 2369 |
3 |
| Ichor Systems, Inc. | 59 |
3 |
| Politecnico di Torino | 315 |
3 |
| Swagelok Company | 325 |
3 |
| University of Leeds | 279 |
3 |
| Flow Devices and Systems Inc. | 12 |
3 |
| Sea Pioneers Technologies Co., Ltd. | 11 |
3 |
| Schlumberger Technology Corporation | 9690 |
2 |
| Ford Global Technologies, LLC | 19702 |
2 |
| ASML Netherlands B.V. | 6816 |
2 |
| AVL List GmbH | 1232 |
2 |
| Other owners | 80 |