F04D 27/006
Control: by influencing fluid temperatures
Official title: {by influencing fluid temperatures}
F04D27/006 (Control: by influencing fluid temperatures) appears on 40 US grants and 51 published applications in this corpus.
Search patents in F04D- Granted patents
- 40
- Published applications
- 51
- Assignees
- 35
- Inventors
- 122
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 5 |
| 2016 | 2 | 4 |
| 2017 | 4 | 9 |
| 2018 | 4 | 3 |
| 2019 | 6 | 2 |
| 2020 | 3 | 5 |
| 2021 | 4 | 5 |
| 2022 | 3 | 3 |
| 2023 | 3 | 2 |
| 2024 | 3 | 3 |
| 2025 | 4 | 1 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lighting apparatus11 Aug 2026US 12,704,248 B2Leedarson Lighting Co., Ltd.
- Vacuum pump23 Dec 2025US 12,504,014 B2Edwards Japan Limited
- Compressor temperature protection module and protection system thereof9 Dec 2025US 12,492,704 B1New Widetech Industries Co., Ltd.
- Liquid-feed-type gas compressor23 Sep 2025US 12,421,972 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Method for operating an electric air compressor assembly1 Jul 2025US 12,345,269 B2Volvo Truck Corporation
- Method for controlling the operating parameters of a turbomolecular vacuum pump17 Sep 2026US 2026/0275993 A1Pfeiffer Vacuum GmbH
- Heat pump with internal heat generation of multi-phase compressor6 Aug 2026US 2026/0225427 A1Ford Global Technologies, LLC
- Portable temperature adjustment device2 Jul 2026US 2026/0185530 A1Shenzhen Lanhe Technologies Co., Ltd.
- Lighting apparatus30 Apr 2026US 2026/0117966 A1Leedarson Lighting Co., Ltd.
- Device for de-icing platform trolleys, and use21 Aug 2025US 2025/0264276 A1Deutsche Post AG
Most cited
By later US patents
- Method for controlling the capacity of a blower and a device for controlling the pressure in a liquefied gas storage tank utilizing said method7US 4,015,436 ATokyo Gas Co., Ltd. · 1977
- Fan air flow measurement system5US 8,070,423 B2Ruskin Company · 2011
- Active high pressure compressor clearance control4US 10,738,791 B2General Electric Company · 2020
- Systems and methods for programming of a cooling fan via a serial port communication mode4US 8,330,586 B2Marvell World Trade Ltd. · 2012
- Compressor for gas lift operations, and method for injecting a compressible gas mixture3US 10,619,462 B2Encline Artificial Lift Technologies LLC · 2020