- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid level; metering 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: 688
10-year publication summary
|
48
|
53
|
66
|
54
|
47
|
43
|
21
|
18
|
18
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Astemo, Ltd. | 5618 |
63 |
| Denso Corporation | 23338 |
52 |
| Honeywell International Inc. | 13799 |
31 |
| Hitachi Automotive Systems, Ltd. | 3970 |
23 |
| Robert Bosch GmbH | 40953 |
18 |
| Watlow Electric Manufacturing Company | 569 |
18 |
| Endress + Hauser Flowtec AG | 585 |
15 |
| Hitachi Metals, Ltd. | 2175 |
11 |
| Omron Corporation | 6968 |
10 |
| Schlumberger Technology Corporation | 9690 |
8 |
| Mitsubishi Electric Corporation | 43934 |
8 |
| Los Robles Advertising, Inc. | 18 |
7 |
| MKS Instruments, Inc. | 698 |
7 |
| Yamatake Corporation | 102 |
6 |
| Shimadzu Corporation | 5791 |
5 |
| Innovative Sensor Technology IST AG | 55 |
5 |
| Siargo. Inc. | 8 |
5 |
| General Electric Company | 18133 |
4 |
| Schlumberger Canada Limited | 6913 |
4 |
| Schlumberger Technology B.v. | 4951 |
4 |
| Other owners | 384 |