- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 1/40 - Details of construction of the flow constriction devices
Patent holdings for IPC class G01F 1/40
Total number of patents in this class: 195
10-year publication summary
|
19
|
18
|
23
|
21
|
21
|
19
|
12
|
14
|
8
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dieterich Standard, Inc. | 63 |
9 |
| Cameron International Corporation | 1327 |
6 |
| Honeywell International Inc. | 13557 |
5 |
| Koninklijke Philips N.V. | 24527 |
5 |
| HORIBA STEC, Co., Ltd. | 326 |
5 |
| Weatherford Technology Holdings, LLC | 2011 |
4 |
| Endress+Hauser Flowtec AG | 805 |
4 |
| Fluid Handling LLC | 244 |
4 |
| Griswold Controls, LLC | 27 |
4 |
| Onicon Incorporated | 19 |
4 |
| Saudi Arabian Oil Company | 12833 |
4 |
| Swagelok Company | 319 |
4 |
| Sensia LLC | 141 |
4 |
| McCrometer, Inc. | 44 |
3 |
| Pierburg GmbH | 465 |
3 |
| Rosemount Inc. | 1200 |
3 |
| ZOLL Medical Corporation | 1495 |
3 |
| GM Flow Measurement Services Limited | 3 |
3 |
| GE Precision Healthcare LLC | 5413 |
3 |
| Applied Materials, Inc. | 18383 |
2 |
| Other owners | 113 |