- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid level; metering 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: 2668
10-year publication summary
206
|
219
|
218
|
234
|
255
|
258
|
192
|
166
|
160
|
41
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Endress+Hauser Flowtec AG | 794 |
99 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
97 |
Panasonic Corporation | 20786 |
58 |
Endress + Hauser Flowtec AG | 585 |
54 |
Micro Motion, Inc. | 1011 |
46 |
Kamstrup A/S | 168 |
45 |
Diehl Metering GmbH | 106 |
41 |
Expro Meters, Inc. | 138 |
41 |
Saudi Arabian Oil Company | 11322 |
41 |
DEKA Products Limited Partnership | 1640 |
37 |
Texas Instruments Incorporated | 19376 |
36 |
Daniel Measurement and Control, Inc. | 74 |
35 |
Daniel Measurement and Control, LLC | 57 |
35 |
Emersub CVIII, Inc. | 79 |
35 |
Honeywell International Inc. | 13799 |
34 |
General Electric Company | 18133 |
33 |
Schlumberger Technology Corporation | 9690 |
30 |
Apator Miitors ApS | 41 |
29 |
Cameron International Corporation | 1305 |
24 |
CRISI Medical Systems, Inc. | 77 |
23 |
Other owners | 1795 |