F04C 2270/135
Controlled or regulated
F04C2270/135 (Controlled or regulated) appears on 17 US grants and 23 published applications in this corpus.
Search patents in F04C- Granted patents
- 17
- Published applications
- 23
- Assignees
- 19
- Inventors
- 60
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 4 |
| 2019 | 1 | 2 |
| 2020 | 0 | 3 |
| 2021 | 3 | 4 |
| 2022 | 2 | 2 |
| 2023 | 5 | 2 |
| 2024 | 3 | 3 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Scroll compressor17 Feb 2026US 12,553,439 B2Mitsubishi Electric Corporation
- Noise and vibration management for smoke evacuation system17 Jun 2025US 12,331,748 B2Megadyne Medical Products, Inc.
- Scroll compressor having injection passage containing muffler27 Aug 2024US 12,071,948 B2Kabushiki Kaisha Toyota Jidoshokki
- Balancing mechanism for scroll compressors30 Jul 2024US 12,049,896 B2OET GmbH
- System and method for operational acoustic optimization of a variable speed compressor and refrigerator16 Apr 2024US 11,959,681 B2Nidec Global Appliance Brasil Ltda.
- Noise and vibration management for smoke evacuation system21 Aug 2025US 2025/0264104 A1Megadyne Medical Products, Inc.
- Electric compressor29 May 2025US 2025/0175096 A1Kabushiki Kaisha Toyota Jidoshokki
- Scroll compressor8 Aug 2024US 2024/0263632 A1Mitsubishi Electric Corporation
- Scroll compressor having injection passage containing muffler11 Jul 2024US 2024/0229792 A9Kabushiki Kaisha Toyota Jidoshokki
- Scroll-type compressor25 Apr 2024US 2024/0133378 A1Kabushiki Kaisha Toyota Jidoshokki
Most cited
By later US patents