- 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
|
18
|
23
|
21
|
21
|
19
|
13
|
14
|
9
|
9
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Dieterich Standard, Inc. | 62 |
9 |
| Cameron International Corporation | 1368 |
6 |
| Honeywell International Inc. | 12776 |
5 |
| Koninklijke Philips N.V. | 25938 |
5 |
| HORIBA STEC, Co., Ltd. | 365 |
5 |
| Weatherford Technology Holdings, LLC | 2162 |
4 |
| Endress+Hauser Flowtec AG | 832 |
4 |
| Fluid Handling LLC | 253 |
4 |
| Griswold Controls, LLC | 27 |
4 |
| Onicon Incorporated | 18 |
4 |
| Rosemount Inc. | 1141 |
4 |
| Saudi Arabian Oil Company | 14305 |
4 |
| Swagelok Company | 316 |
4 |
| Tyco Fire & Security GmbH | 3672 |
4 |
| Sensia LLC | 129 |
4 |
| McCrometer, Inc. | 43 |
3 |
| Pierburg GmbH | 478 |
3 |
| ZOLL Medical Corporation | 1584 |
3 |
| GM Flow Measurement Services Limited | 3 |
3 |
| GE Precision Healthcare LLC | 5826 |
3 |
| Other owners | 110 |