F04C 2270/07
Electric current
F04C2270/07 (Electric current) appears on 66 US grants and 91 published applications in this corpus.
Search patents in F04C- Granted patents
- 66
- Published applications
- 91
- Assignees
- 59
- Inventors
- 180
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 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 | 3 |
| 2003 | 1 | 3 |
| 2004 | 2 | 6 |
| 2005 | 1 | 4 |
| 2006 | 2 | 4 |
| 2007 | 4 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 1 | 4 |
| 2011 | 2 | 3 |
| 2012 | 0 | 6 |
| 2013 | 1 | 3 |
| 2014 | 5 | 3 |
| 2015 | 2 | 2 |
| 2016 | 2 | 3 |
| 2017 | 4 | 5 |
| 2018 | 3 | 7 |
| 2019 | 2 | 5 |
| 2020 | 7 | 4 |
| 2021 | 2 | 9 |
| 2022 | 6 | 3 |
| 2023 | 8 | 3 |
| 2024 | 5 | 3 |
| 2025 | 4 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Screw compressor30 Dec 2025US 12,510,075 B2Palladio Compressors S.R.L.
- Control system for a smart pump located within a lubrication/cooling assembly16 Dec 2025US 12,497,963 B2GHSP, Inc.
- Voltage optimization technique for a permanent magnet motor used in an electric submersible pump24 Jun 2025US 12,341,398 B2Toshiba International Corporation
- Fault rectification method for a progressive cavity pump of a conveyor device for conveying viscous building materials25 Mar 2025US 12,258,961 B2J. Wagner GmbH
- Apparatus and method for controlling a vehicle air compressor to track water content in compressor oil31 Dec 2024US 12,180,964 B1Bendix Commercial Vehicle Systems LLC
- Gas Compressor20 Aug 2026US 2026/0243261 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Control system for a smart pump located within a lubrication/cooling assembly12 Mar 2026US 2026/0071622 A1GHSP, Inc.
- Screw Compressor23 Oct 2025US 2025/0327448 A1Palladio Compressors S.R.L.
- Apparatus and method for controlling a vehicle air compressor to track water content in compressor oil2 Oct 2025US 2025/0305500 A1Bendix Commercial Vehicle Systems LLC
- Control system for a smart pump located within a lubrication/cooling assembly11 Apr 2024US 2024/0120809 A1GHSP, Inc.
Most cited
By later US patents
- Compressor diagnostic system172US 6,615,594 B2Copeland Corporation · 2003
- Method and system for diagnosing a cooling system144US 6,758,051 B2Copeland Corporation · 2004
- Compressor diagnostic system137US 6,758,050 B2Copeland Corporation · 2004
- Compressor diagnostic system93US 7,222,493 B2Emerson Climate Technologies, Inc. · 2007
- Compressor diagnostic system56US 7,260,948 B2Copeland Corporation · 2007