- All sections
- G - Physics
- G01F - Measuring volume, volume flow, mass flow, or liquid levelmetering by volume
- G01F 1/28 - 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 mechanical effects by detection of dynamic effects of the flow by drag-force, e.g. vane type or impact flowmeter
Patent holdings for IPC class G01F 1/28
Total number of patents in this class: 186
10-year publication summary
|
16
|
13
|
18
|
15
|
16
|
10
|
8
|
5
|
3
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| AMVAC Chemical Corporation | 262 |
5 |
| Coroflo Limited | 12 |
4 |
| Schlumberger Technology Corporation | 10914 |
3 |
| Cidra Corporate Services, Inc. | 203 |
3 |
| Lenterra, Inc. | 6 |
3 |
| Maschinenfabrik Reinhausen GmbH | 745 |
3 |
| RAI Strategic Holdings, Inc. | 1159 |
3 |
| RCP Inc. | 12 |
3 |
| The Trustees of Princeton University | 1200 |
3 |
| Robert Bosch GmbH | 42826 |
2 |
| Medtronic MiniMed, Inc. | 1804 |
2 |
| Panasonic Intellectual Property Management Co., Ltd. | 32105 |
2 |
| Massachusetts Institute of Technology | 10117 |
2 |
| Continental Automotive GmbH | 4768 |
2 |
| Alfa Laval Corporate AB | 1322 |
2 |
| American Power Conversion Corporation | 159 |
2 |
| B/E Aerospace, Inc. | 1669 |
2 |
| Baoshan Iron & Steel Co., Ltd. | 968 |
2 |
| Elica S.p.A. | 114 |
2 |
| Feather Sensors LLC | 2 |
2 |
| Other owners | 134 |