- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid level; metering 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: 429
10-year publication summary
|
22
|
35
|
30
|
41
|
43
|
43
|
32
|
32
|
22
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujikin Incorporated | 671 |
21 |
| HORIBA STEC, Co., Ltd. | 302 |
13 |
| MKS Instruments, Inc. | 698 |
9 |
| Saudi Arabian Oil Company | 11322 |
9 |
| Dieterich Standard, Inc. | 63 |
7 |
| Rosemount Inc. | 1212 |
6 |
| Trane International Inc. | 1123 |
6 |
| Danfoss A/S | 1259 |
6 |
| Schlumberger Technology Corporation | 9690 |
5 |
| Schlumberger Canada Limited | 6913 |
5 |
| Schlumberger Technology B.v. | 4951 |
5 |
| Schlumberger Holdings Limited | 2947 |
5 |
| Aramco Services Company | 3504 |
5 |
| Endress+Hauser Flowtec AG | 794 |
5 |
| McCrometer, Inc. | 44 |
5 |
| Prad Research and Development Limited | 2696 |
5 |
| Services Petroliers Schlumberger | 5426 |
5 |
| Tyco Fire & Security GmbH | 2172 |
5 |
| Halliburton Energy Services, Inc. | 20165 |
4 |
| FMC Kongsberg Subsea AS | 251 |
4 |
| Other owners | 294 |