- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 1/34 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
Patent holdings for IPC class G01F 1/34
Total number of patents in this class: 710
10-year publication summary
|
61
|
68
|
58
|
39
|
44
|
32
|
45
|
33
|
40
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 13857 |
14 |
| Rosemount Inc. | 1182 |
13 |
| Fujikin Incorporated | 692 |
10 |
| Honeywell International Inc. | 13561 |
9 |
| Robert Bosch GmbH | 43294 |
9 |
| Schlumberger Technology Corporation | 11274 |
8 |
| Expro Meters, Inc. | 99 |
8 |
| HORIBA STEC, Co., Ltd. | 358 |
8 |
| General Electric Company | 13776 |
7 |
| Schlumberger Canada Limited | 7487 |
7 |
| Tokyo Electron Limited | 13380 |
7 |
| Covidien LP | 10660 |
6 |
| Aramco Services Company | 4157 |
6 |
| DEKA Products Limited Partnership | 1833 |
6 |
| Dieterich Standard, Inc. | 62 |
6 |
| Endress+Hauser Flowtec AG | 812 |
6 |
| Trane International Inc. | 1206 |
6 |
| International Business Machines Corporation | 61929 |
5 |
| CKD Corporation | 458 |
5 |
| Freeport Minerals Corporation | 125 |
5 |
| Other owners | 559 |