- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid level; metering by volume
- G01F 1/42 - Orifices or nozzles
Patent holdings for IPC class G01F 1/42
Total number of patents in this class: 284
10-year publication summary
|
26
|
33
|
26
|
20
|
27
|
16
|
16
|
17
|
16
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 671 |
17 |
| Dieterich Standard, Inc. | 63 |
16 |
| Daniel Opco, LLC | 41 |
14 |
| BEST Technologies, Inc. | 24 |
9 |
| Daniel Measurement and Control, Inc. | 74 |
9 |
| Surpass Industry Co., Ltd. | 185 |
6 |
| General Electric Company | 18133 |
5 |
| Rosemount Inc. | 1212 |
5 |
| Schlumberger Technology Corporation | 9690 |
4 |
| Lam Research Corporation | 4775 |
4 |
| Weatherford Technology Holdings, LLC | 2135 |
4 |
| Schlumberger Canada Limited | 6913 |
3 |
| Schlumberger Technology B.v. | 4951 |
3 |
| Applied Materials, Inc. | 16587 |
3 |
| Tokyo Electron Limited | 11599 |
3 |
| Ebara Corporation | 1951 |
3 |
| Altria Client Services LLC | 1866 |
3 |
| Canada Pipeline Accessories, Co. Ltd. | 90 |
3 |
| Endress+Hauser Flowtec AG | 794 |
3 |
| Fluid Handling LLC | 241 |
3 |
| Other owners | 164 |