- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 1/36 - 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
Patent holdings for IPC class G01F 1/36
Total number of patents in this class: 483
10-year publication summary
|
30
|
41
|
43
|
43
|
35
|
37
|
26
|
26
|
40
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 696 |
21 |
| HORIBA STEC, Co., Ltd. | 361 |
16 |
| Saudi Arabian Oil Company | 13953 |
10 |
| MKS Instruments, Inc. | 565 |
9 |
| Rosemount Inc. | 1158 |
9 |
| Tyco Fire & Security GmbH | 3579 |
8 |
| Schlumberger Technology Corporation | 11485 |
6 |
| Aramco Services Company | 4162 |
6 |
| Dieterich Standard, Inc. | 62 |
6 |
| Ichor Systems, Inc. | 73 |
6 |
| Trane International Inc. | 1216 |
6 |
| Schlumberger Canada Limited | 7558 |
5 |
| Schlumberger Technology B.v. | 5267 |
5 |
| Schlumberger Holdings Limited | 2735 |
5 |
| Altria Client Services LLC | 2359 |
5 |
| Endress+Hauser Flowtec AG | 821 |
5 |
| Prad Research and Development Limited | 2679 |
5 |
| Services Petroliers Schlumberger | 5977 |
5 |
| Danfoss A/S | 1404 |
5 |
| Halliburton Energy Services, Inc. | 21217 |
4 |
| Other owners | 336 |