- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid level; metering by volume
- G01F 1/74 - Devices for measuring flow of a fluid or flow of a fluent solid material in suspension in another fluid
Patent holdings for IPC class G01F 1/74
Total number of patents in this class: 1303
10-year publication summary
|
95
|
102
|
99
|
86
|
89
|
90
|
60
|
69
|
71
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saudi Arabian Oil Company | 11322 |
81 |
| Schlumberger Technology Corporation | 9690 |
71 |
| Micro Motion, Inc. | 1011 |
56 |
| Endress+Hauser Flowtec AG | 794 |
42 |
| Schlumberger Canada Limited | 6913 |
35 |
| Aramco Services Company | 3504 |
35 |
| Schlumberger Technology B.v. | 4951 |
32 |
| Services Petroliers Schlumberger | 5426 |
32 |
| Expro Meters, Inc. | 138 |
30 |
| Schlumberger Holdings Limited | 2947 |
23 |
| Schneider Electric Systems USA, Inc. | 441 |
22 |
| Roxar Flow Measurement AS | 93 |
19 |
| Siemens AG | 24990 |
18 |
| Weatherford Technology Holdings, LLC | 2135 |
18 |
| FMC Kongsberg Subsea AS | 251 |
18 |
| Cidra Corporate Services, Inc. | 208 |
17 |
| Prad Research and Development Limited | 2696 |
17 |
| Krohne AG | 145 |
14 |
| Endress + Hauser Flowtec AG | 585 |
13 |
| General Electric Company | 18133 |
11 |
| Other owners | 699 |