F04C 2270/025
Controlled or regulated
F04C2270/025 (Controlled or regulated) appears on 15 US grants and 17 published applications in this corpus.
Search patents in F04C- Granted patents
- 15
- Published applications
- 17
- Assignees
- 14
- Inventors
- 44
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 4 |
| 2018 | 1 | 1 |
| 2019 | 4 | 3 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Electrical sprayer22 Sep 2026US 12,742,452 B2Mmlj, Inc
- Compressor, monitoring system, and method of monitoring compressor19 Mar 2024US 11,933,291 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Rotary compressors with variable speed and volume control26 Dec 2023US 11,852,145 B2Trane International Inc.
- Motor drive system and method29 Mar 2022US 11,286,917 B2Franklin Electric Co., Inc.
- Motor drive system and method31 Aug 2021US 11,105,323 B2Franklin Electric Co., Inc.
- Reducing power consumption in vacuum pumps1 Oct 2026US 2026/0298240 A1Edwards Limited
- Electrical Sprayer14 Dec 2023US 2023/0400025 A1Mmlj, Inc
- Compressor, Monitoring System, and Method of Monitoring Compressor18 Aug 2022US 2022/0260075 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Rotary compressors with variable speed and volume control30 Apr 2020US 2020/0132074 A1Trane International Inc.
- Motor drive system and method12 Sep 2019US 2019/0277277 A1Franklin Electric Co., Inc.
Most cited
By later US patents
- Heat pump apparatus20US 6,301,912 B1Hitachi, Ltd. · 2001
- Rotary compressors with variable speed and volume control5US 10,533,556 B2Trane International Inc. · 2020
- Electric pump2US 10,302,081 B2Aisin Seiki Kabushiki Kaisha · 2019
- Dual-shaft vacuum pump2US 7,559,752 B2Oerlikon Leybold Vacuum GmbH · 2009
- Method for regulating the rotational speed of a compressor as a function of the available gas flow of a source and regulation thereby applied1US 10,815,997 B2Atlas Copco Airpower, Naamloze Vennootschap · 2020