- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 1/38 - 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 the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
Patent holdings for IPC class G01F 1/38
Total number of patents in this class: 129
10-year publication summary
|
15
|
12
|
11
|
6
|
16
|
10
|
6
|
9
|
7
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| DEKA Products Limited Partnership | 1886 |
5 |
| Illinois Tool Works Inc. | 11863 |
4 |
| Siemens AG | 24029 |
4 |
| Rosemount Inc. | 1145 |
4 |
| Hitachi Astemo, Ltd. | 6410 |
4 |
| HORIBA STEC, Co., Ltd. | 366 |
3 |
| University of Wyoming | 389 |
3 |
| Schneider Electric Systems USA, Inc. | 441 |
3 |
| Honeywell International Inc. | 12778 |
2 |
| Applied Materials, Inc. | 20375 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
2 |
| Airflow Direction Incorporated | 41 |
2 |
| Engie | 182 |
2 |
| Fisher Controls International LLC | 1457 |
2 |
| The Governors of the University of Alberta | 875 |
2 |
| Saudi Arabian Oil Company | 14235 |
2 |
| Surpass Industry Co., Ltd. | 157 |
2 |
| Tianjin University | 900 |
2 |
| Tyco Fire & Security GmbH | 3640 |
2 |
| UTi Limited Partnership | 461 |
2 |
| Other owners | 75 |