F04B 2201/0803
Leakage
F04B2201/0803 (Leakage) appears on 29 US grants and 33 published applications in this corpus.
Search patents in F04B- Granted patents
- 29
- Published applications
- 33
- Assignees
- 32
- Inventors
- 84
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 3 |
| 2019 | 2 | 2 |
| 2020 | 3 | 7 |
| 2021 | 5 | 3 |
| 2022 | 2 | 3 |
| 2023 | 6 | 3 |
| 2024 | 2 | 5 |
| 2025 | 3 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Bellows failure detection for a pump1 Sep 2026US 12,723,580 B2Halliburton Energy Services.Inc.
- Predictive tube failure detection for pump30 Dec 2025US 12,510,065 B2Blue-White Industries, Ltd.
- Leak detection from diaphragm compressor18 Nov 2025US 12,473,903 B2Cavendish Hydrogen A/S
- Leak detection for air operated double diaphragm pump27 May 2025US 12,313,506 B2Warren Rupp, Inc.
- Seal support sensor for a pump8 Oct 2024US 12,110,885 B2Eddy Pump Corporation
- Method for determining a leak rate in a displacement pump18 Dec 2025US 2025/0382957 A1Tecan Trading AG
- Huge fleet sea water injection pump's mechanical seal integrity testing portable rig11 Sep 2025US 2025/0283775 A1Saudi Arabian Oil Company
- Method for monitoring a hydraulic system26 Dec 2024US 2024/0426291 A1KraussMaffei Technologies GmbH
- Bellows failure detection for a pump14 Nov 2024US 2024/0376881 A1Halliburton Energy Services.Inc.
- Inspection method31 Oct 2024US 2024/0360826 A1Hitachi High-Tech Corporation
Most cited
By later US patents
- Frac pump sealed nut assembly34US 10,815,988 B2ST9 Gas and Oil, LLC · 2020
- Bimodal liquid chromatography pump employing artificial intelligence logic feedback control25US 5,457,626 ADionex Corporation · 1995
- Metering pump with self-calibration and health prediction9US 7,798,781 B2Hamilton Sundstrand Corporation · 2010
- Leak detector for a persitaltic pump3US 9,562,528 B2Watson-Marlow Limited · 2017
- Device for supplying ports to a machine section of a hydraulic machine arrangement2US 11,067,100 B2Danfoss A/S · 2021