F04C 2270/0525
Controlled or regulated
F04C2270/0525 (Controlled or regulated) appears on 36 US grants and 52 published applications in this corpus.
Search patents in F04C- Granted patents
- 36
- Published applications
- 52
- Assignees
- 33
- Inventors
- 111
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 4 |
| 2016 | 0 | 4 |
| 2017 | 1 | 2 |
| 2018 | 4 | 7 |
| 2019 | 3 | 4 |
| 2020 | 2 | 1 |
| 2021 | 1 | 8 |
| 2022 | 3 | 5 |
| 2023 | 7 | 5 |
| 2024 | 4 | 4 |
| 2025 | 5 | 0 |
| 2026 | 3 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Electrical sprayer22 Sep 2026US 12,742,452 B2Mmlj, Inc
- Progressive cavity pump system having reverse mode8 Sep 2026US 12,729,682 B2Schlumberger Technology Corporation
- Compressor7 Apr 2026US 12,595,793 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Gas compressor12 Aug 2025US 12,385,490 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Method for operating a compressor21 Jan 2025US 12,203,472 B2Haier US Appliance Solutions, Inc.
- Reducing power consumption in vacuum pumps1 Oct 2026US 2026/0298240 A1Edwards Limited
- Electric compressor12 Mar 2026US 2026/0071624 A1Kabushiki Kaisha Toyota Jidoshokki
- Compressor12 Sep 2024US 2024/0301882 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Method of Handling Gear Pump, Control System, Coating Apparatus and Robot System2 May 2024US 2024/0141894 A1ABB Schweiz AG
- Method for stopping a vacuum pump1 Feb 2024US 2024/0035472 A1
Most cited
By later US patents
- Method of controlling motor drive speed44US 7,259,533 B2LG Electronics Inc. · 2007
- Methods, systems and apparatus for dynamically controlling an electric motor that drives an oil pump12US 8,174,222 B2GM Global Technology Operations LLC · 2012
- HVAC systems and controls7US 9,989,943 B2Trane International Inc. · 2018
- System to pump fluid and control thereof6US 10,865,788 B2Project Phoenix, LLC · 2020
- Compressed gas supply unit4US 9,097,255 B2Anest Iwata Corporation · 2015