F04D 15/0263
The condition being temperature, ingress of humidity or leakage
Official title: {the condition being temperature, ingress of humidity or leakage}
F04D15/0263 (The condition being temperature, ingress of humidity or leakage) appears on 58 US grants and 52 published applications in this corpus.
Search patents in F04D- Granted patents
- 58
- Published applications
- 52
- Assignees
- 53
- Inventors
- 128
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 4 |
| 2014 | 2 | 3 |
| 2015 | 1 | 4 |
| 2016 | 3 | 2 |
| 2017 | 3 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 5 |
| 2020 | 1 | 6 |
| 2021 | 5 | 3 |
| 2022 | 2 | 8 |
| 2023 | 2 | 3 |
| 2024 | 4 | 2 |
| 2025 | 3 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid delivery system health monitoring systems and methods7 Jul 2026US 12,674,459 B2Oshkosh Corporation
- Chemical liquid supply module and substrate treating apparatus including the same23 Jun 2026US 12,663,187 B2Semes Co., Ltd.
- Motor leakage current detector, devices using same and related methods13 Jan 2026US 12,523,232 B2Grid Connect, Inc.
- Devices, systems and methods for detecting leaks and measuring usage9 Sep 2025US 12,410,890 B2IOT Technologies LLC
- Progressive cavity pump cartridge with infrared temperature sensors on fluid inlet and outlet24 Jun 2025US 12,338,816 B2Johnson & Johnson Surgical Vision, Inc.
- Fluid delivery system health monitoring systems and methods1 Oct 2026US 2026/0298249 A1Oshkosh Corporation
- Devices, systems and methods for detecting leaks and measuring usage1 Jan 2026US 2026/0002644 A1IOT Technologies LLC
- Calibrating compressor bearing systems1 May 2025US 2025/0137700 A1Trane International Inc.
- Fluid delivery system health monitoring systems and methods28 Nov 2024US 2024/0392790 A1Oshkosh Corporation
- Chemical liquid supply module and substrate treating apparatus including the same20 Jun 2024US 2024/0198371 A1Semes Co., Ltd.
Most cited
By later US patents
- Pump bearing overheating detection device and method143US 5,145,322 A1992
- Excess temperature and starting safety device in pumps having permanent magnet couplings118US 5,484,265 AJunkalor GmbH Dessau · 1996
- Magnetic pump drive50US 4,998,863 AFranz Klaus Union Armaturen Pumpen GmbH & Co. · 1991
- Hermetically sealed magnetic drive pump39US 5,525,039 ARoy E. Roth Company · 1996
- Temperature and failure indicating probe for a bearing33US 4,074,575 AThe Trane Company · 1978