- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid level; metering 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: 657
10-year publication summary
|
55
|
57
|
64
|
78
|
58
|
41
|
46
|
31
|
42
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rosemount Inc. | 1212 |
14 |
| Expro Meters, Inc. | 138 |
11 |
| Honeywell International Inc. | 13799 |
9 |
| Robert Bosch GmbH | 40953 |
9 |
| Fujikin Incorporated | 671 |
9 |
| Saudi Arabian Oil Company | 11322 |
8 |
| General Electric Company | 18133 |
7 |
| Schlumberger Technology Corporation | 9690 |
7 |
| Dieterich Standard, Inc. | 63 |
7 |
| Schlumberger Canada Limited | 6913 |
6 |
| Covidien LP | 10647 |
6 |
| Tokyo Electron Limited | 11599 |
6 |
| DEKA Products Limited Partnership | 1640 |
6 |
| Endress+Hauser Flowtec AG | 794 |
6 |
| HORIBA STEC, Co., Ltd. | 302 |
6 |
| Trane International Inc. | 1123 |
6 |
| International Business Machines Corporation | 60644 |
5 |
| CKD Corporation | 424 |
5 |
| Safran Aircraft Engines | 5739 |
5 |
| Services Petroliers Schlumberger | 5426 |
5 |
| Other owners | 514 |