- 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: 2807
10-year publication summary
|
216
|
229
|
254
|
253
|
180
|
165
|
162
|
122
|
106
|
18
|
| 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. | 33033 |
112 |
| Endress+Hauser Flowtec AG | 819 |
94 |
| Endress + Hauser Flowtec AG | 607 |
62 |
| Panasonic Corporation | 19867 |
57 |
| Micro Motion, Inc. | 1029 |
48 |
| Kamstrup A/S | 181 |
47 |
| Saudi Arabian Oil Company | 13865 |
44 |
| Diehl Metering GmbH | 108 |
41 |
| DEKA Products Limited Partnership | 1835 |
40 |
| Texas Instruments Incorporated | 19547 |
38 |
| Expro Meters, Inc. | 99 |
38 |
| Honeywell International Inc. | 13564 |
34 |
| Daniel Measurement and Control, Inc. | 65 |
34 |
| Daniel Measurement and Control, LLC | 53 |
34 |
| Emersub CVIII, Inc. | 71 |
34 |
| Schlumberger Technology Corporation | 11298 |
33 |
| Apator Miitors ApS | 43 |
29 |
| General Electric Company | 13777 |
28 |
| Becton, Dickinson and Company | 7502 |
28 |
| Cameron International Corporation | 1355 |
24 |
| Other owners | 1908 |