F04C 2270/80
Diagnostics
F04C2270/80 (Diagnostics) appears on 188 US grants and 216 published applications in this corpus.
Search patents in F04C- Granted patents
- 188
- Published applications
- 216
- Assignees
- 119
- Inventors
- 449
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 4 |
| 2003 | 5 | 3 |
| 2004 | 3 | 7 |
| 2005 | 4 | 14 |
| 2006 | 2 | 6 |
| 2007 | 5 | 5 |
| 2008 | 5 | 7 |
| 2009 | 5 | 4 |
| 2010 | 5 | 7 |
| 2011 | 7 | 4 |
| 2012 | 1 | 3 |
| 2013 | 6 | 13 |
| 2014 | 6 | 15 |
| 2015 | 8 | 6 |
| 2016 | 9 | 12 |
| 2017 | 11 | 14 |
| 2018 | 7 | 12 |
| 2019 | 16 | 6 |
| 2020 | 11 | 12 |
| 2021 | 11 | 11 |
| 2022 | 7 | 13 |
| 2023 | 6 | 15 |
| 2024 | 17 | 13 |
| 2025 | 10 | 3 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diagnostic checks of a gear pump in a fluid system25 Aug 2026US 12,716,414 B2Project Phoenix, LLC
- Compressor7 Apr 2026US 12,595,793 B2Hitachi Industrial Equipment Systems Co., 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.
- Test device3 Feb 2026US 12,540,613 B2Hydac Fluidtechnik GmbH
- 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.
- Control system for a smart pump located within a lubrication/cooling assembly12 Mar 2026US 2026/0071622 A1GHSP, Inc.
- Electric compressor12 Mar 2026US 2026/0071624 A1Kabushiki Kaisha Toyota Jidoshokki
Most cited
By later US patents
- System and method for driving a pump174US 8,801,394 B2Solar Turbines Incorporated · 2014
- Compressor diagnostic system172US 6,615,594 B2Copeland Corporation · 2003
- Compressor diagnostic and recording system148US 6,406,265 B1Scroll Technologies · 2002
- Method and system for diagnosing a cooling system144US 6,758,051 B2Copeland Corporation · 2004
- Compressor diagnostic system137US 6,758,050 B2Copeland Corporation · 2004