F04C 2270/86
Detection
F04C2270/86 (Detection) appears on 177 US grants and 194 published applications in this corpus.
Search patents in F04C- Granted patents
- 177
- Published applications
- 194
- Assignees
- 103
- Inventors
- 372
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 4 |
| 2002 | 7 | 5 |
| 2003 | 6 | 5 |
| 2004 | 3 | 12 |
| 2005 | 1 | 4 |
| 2006 | 1 | 4 |
| 2007 | 3 | 5 |
| 2008 | 6 | 7 |
| 2009 | 2 | 8 |
| 2010 | 7 | 8 |
| 2011 | 4 | 9 |
| 2012 | 6 | 8 |
| 2013 | 10 | 9 |
| 2014 | 8 | 14 |
| 2015 | 6 | 6 |
| 2016 | 9 | 14 |
| 2017 | 14 | 10 |
| 2018 | 7 | 11 |
| 2019 | 13 | 6 |
| 2020 | 13 | 8 |
| 2021 | 6 | 6 |
| 2022 | 6 | 9 |
| 2023 | 5 | 7 |
| 2024 | 8 | 6 |
| 2025 | 3 | 2 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control method for compressor and compressor system12 May 2026US 12,624,694 B2Danfoss (Tianjin) Ltd.
- Information processing apparatus, information processing system, information processing method, program, substrate processing apparatus, criterion data determination apparatus, and criterion data determination method17 Mar 2026US 12,577,952 B2Ebara Corporation
- Systems and methods for control of a pump motor having physically separated control boards10 Mar 2026US 12,571,386 B2Regal Beloit America, Inc.
- Systems and methods for wireless control of a pump motor13 Jan 2026US 12,523,218 B2Regal Beloit America, Inc.
- Control system for a smart pump located within a lubrication/cooling assembly16 Dec 2025US 12,497,963 B2GHSP, Inc.
- Gas Compressor20 Aug 2026US 2026/0243258 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Predicting tip seal wear in scroll pump23 Jul 2026US 2026/0210358 A1Agilent Technologies, Inc.
- Determining tip seal maintenance requirement in scroll pump23 Jul 2026US 2026/0210359 A1Agilent Technologies, Inc.
- Hydrogen production apparatus for a wind turbine, wind turbine arrangement and method for operating a hydrogen production apparatus for a wind turbine2 Jul 2026US 2026/0185252 A1Siemens Gamesa Renewable Energy A/S
- Control system for a smart pump located within a lubrication/cooling assembly12 Mar 2026US 2026/0071622 A1GHSP, Inc.
Most cited
By later US patents
- Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor194US 6,047,557 ACopeland Corporation · 2000
- Compressor diagnostic system172US 6,615,594 B2Copeland Corporation · 2003
- System and method for monitoring and control of cavitation in positive displacement pumps169US 9,546,652 B2IMO Industries, Inc. · 2017
- Capacity modulated scroll machine156US 5,741,120 ACopeland Corporation · 1998
- Method and system for diagnosing a cooling system144US 6,758,051 B2Copeland Corporation · 2004