- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 1/66 - 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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
Patent holdings for IPC class G01F 1/66
Total number of patents in this class: 2885
10-year publication summary
|
218
|
237
|
258
|
258
|
191
|
171
|
173
|
133
|
116
|
104
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Panasonic Intellectual Property Management Co., Ltd. | 34471 |
118 |
| Endress+Hauser Flowtec AG | 829 |
97 |
| Endress + Hauser Flowtec AG | 629 |
65 |
| Panasonic Corporation | 18716 |
56 |
| Micro Motion, Inc. | 1024 |
48 |
| Kamstrup A/S | 186 |
47 |
| Saudi Arabian Oil Company | 14369 |
46 |
| DEKA Products Limited Partnership | 1913 |
42 |
| Diehl Metering GmbH | 109 |
41 |
| Texas Instruments Incorporated | 19644 |
38 |
| Expro Meters, Inc. | 80 |
37 |
| Schlumberger Technology Corporation | 11940 |
34 |
| Honeywell International Inc. | 12766 |
34 |
| Daniel Measurement and Control, Inc. | 57 |
34 |
| Daniel Measurement and Control, LLC | 51 |
33 |
| Emersub CVIII, Inc. | 69 |
33 |
| General Electric Company | 13982 |
32 |
| Apator Miitors ApS | 43 |
29 |
| Becton, Dickinson and Company | 7580 |
28 |
| Cameron International Corporation | 1367 |
24 |
| Other owners | 1969 |