- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumpedsiphons
- F04F 99/00 - Subject matter not provided for in other groups of this subclass
Patent holdings for IPC class F04F 99/00
Total number of patents in this class: 41
10-year publication summary
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4
|
2
|
4
|
1
|
2
|
3
|
1
|
1
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Energy Recovery, Inc. | 183 |
7 |
| National Institute of Information and Communications Technology | 638 |
3 |
| Goodrich Corporation | 2187 |
2 |
| Korea Pneumatic System Co., Ltd. | 31 |
2 |
| Repligen Corporation | 293 |
2 |
| SAES Getters S.p.A. | 326 |
2 |
| Schlumberger Technology Corporation | 11274 |
1 |
| Honeywell International Inc. | 13561 |
1 |
| Denso Corporation | 24983 |
1 |
| Nitto Denko Corporation | 8410 |
1 |
| Hamilton Sundstrand Corporation | 5001 |
1 |
| Bayer Technology Services GmbH | 167 |
1 |
| ColdQuanta, Inc., AKA ColdQuanta | 177 |
1 |
| Cornell University | 3382 |
1 |
| Helsingin Yliopisto | 113 |
1 |
| National Chung Cheng University | 161 |
1 |
| National University Corporation Nagoya University | 822 |
1 |
| North Carolina State University | 1585 |
1 |
| Ohio State Innovation Foundation | 2262 |
1 |
| Old Dominion University Research Foundation | 123 |
1 |
| Other owners | 9 |