- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 1/68 - 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 thermal effects
Patent holdings for IPC class G01F 1/68
Total number of patents in this class: 660
10-year publication summary
|
52
|
61
|
52
|
47
|
41
|
21
|
18
|
15
|
19
|
11
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 6385 |
58 |
| Denso Corporation | 24387 |
45 |
| Honeywell International Inc. | 13547 |
29 |
| Hitachi Automotive Systems, Ltd. | 3955 |
23 |
| Watlow Electric Manufacturing Company | 581 |
20 |
| Robert Bosch GmbH | 42742 |
16 |
| Endress + Hauser Flowtec AG | 609 |
15 |
| Proterial, Ltd. | 856 |
8 |
| Schlumberger Technology Corporation | 10820 |
7 |
| Omron Corporation | 7264 |
7 |
| Los Robles Advertising, Inc. | 17 |
7 |
| Innovative Sensor Technology IST AG | 69 |
6 |
| Becton, Dickinson and Company | 7279 |
5 |
| Shimadzu Corporation | 6187 |
5 |
| Siargo. Inc. | 7 |
5 |
| Mitsubishi Electric Corporation | 46295 |
4 |
| Brooks Instrument, LLC | 49 |
4 |
| Endress+Hauser Flowtec AG | 821 |
4 |
| Integrated Sensing Systems, Inc. | 29 |
4 |
| Itron, Inc. | 886 |
4 |
| Other owners | 384 |