F04C 2270/175
Controlled or regulated
F04C2270/175 (Controlled or regulated) appears on 17 US grants and 22 published applications in this corpus.
Search patents in F04C- Granted patents
- 17
- Published applications
- 22
- Assignees
- 23
- Inventors
- 52
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 1 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 2 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 4 |
| 2019 | 0 | 0 |
| 2020 | 2 | 4 |
| 2021 | 1 | 1 |
| 2022 | 3 | 1 |
| 2023 | 3 | 4 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Compressor and air conditioner8 Sep 2026US 12,729,685 B2Gree Electric Appliances, Inc. of Zhuhai
- Dynamic control of gears in a gear pump having a drive-drive configuration27 Jan 2026US 12,535,071 B2Project Phoenix, LLC
- Dynamic control of gears in a gear pump having a drive-drive configuration4 Nov 2025US 12,460,636 B2Project Phoenix, LLC
- Displacement pump for fuel vapor recovery11 Jun 2024US 12,006,828 B2Tatsuno Corporation
- Pump system and method for optimized torque requirements and volumetric efficiencies30 May 2023US 11,661,938 B2GM Global Technology Operations LLC
- Dynamic control of gears in a gear pump having a drive-drive configuration23 Jul 2026US 2026/0210355 A1Project Phoenix, LLC
- Method for determining or monitoring the delivery flow of an eccentric screw pump5 Feb 2026US 2026/0036462 A1Seepex GmbH
- Compressor and Air Conditioner16 Jan 2025US 2025/0020125 A1Gree Electric Appliances, Inc. of Zhuhai
- Dynamic control of gears in a gear pump having a drive-drive configuration7 Sep 2023US 2023/0279856 A1Project Phoenix, LLC
- State detection on eccentric screw pumps24 Aug 2023US 2023/0265846 A1Vogelsang GmbH & Co. KG
Most cited
By later US patents
- Co-rotating compressor8US 10,995,754 B2Emerson Climate Technologies, Inc. · 2021
- Pumping system and method of operation4US 8,753,095 B2Edwards Limited · 2014
- Active clearance management in screw compressor2US 10,738,781 B2Trane International Inc. · 2020
- Active clearance management in screw compressor1US 10,539,137 B2Trane International Inc. · 2020
- Method of regulating a fluid treatment plant, fluid treatment plant and application of such a plant to the production of a constituent of air1US 6,447,572 B2L 'Air Liquide-Societe 'Anonyme a 'Directoire et Conseil de Surveillance pour l 'Etude et L'Exploitation des Procedes Georges Claude · 2002