F04B 2205/503
Of gas in a liquid flow
Official title: of gas in a liquid flow, e.g. gas bubbles
F04B2205/503 (Of gas in a liquid flow) appears on 48 US grants and 32 published applications in this corpus.
Search patents in F04B- Granted patents
- 48
- Published applications
- 32
- Assignees
- 41
- Inventors
- 89
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 3 |
| 2003 | 3 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 3 |
| 2018 | 0 | 3 |
| 2019 | 3 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 2 |
| 2023 | 0 | 1 |
| 2024 | 3 | 2 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Air venting12 May 2026US 12,624,704 B2Grundfos Holding A/S
- Pump cavitation detection device, method, and system10 Mar 2026US 12,571,387 B2Yokogawa Electric Corporation
- Fluid pump having self-cleaning structure24 Sep 2024US 12,097,542 B2Q.E.D. Environmental Systems, Inc.
- Metering pump with temporary reversal of direction of the displacement element23 Jul 2024US 12,044,222 B2ProMinent GmbH
- Precision volumetric pump with a bellows hermetic seal25 Jun 2024US 12,018,672 B2IDEX Health & Science LLC
- Gas Interference Detection and Control of Long-Stroke Pumping Unit Speed for Gas Interference Mitigation28 Aug 2025US 2025/0270919 A1ChampionX LLC
- Air venting28 Mar 2024US 2024/0102478 A1Grundfos Holding A/S
- Detection device, detection method, and detection system8 Feb 2024US 2024/0044327 A1Yokogawa Electric Corporation
- Fluid pump having self-cleaning air inlet structure23 Feb 2023US 2023/0053955 A1Q.E.D. Environmental Systems, Inc.
- Metering pump with temporary reversal of direction of the displacement element4 Aug 2022US 2022/0243709 A1ProMinent GmbH
Most cited
By later US patents
- Drug pump systems and methods1,088US 5,935,099 ASIMS Deltec, Inc. · 1999
- Pump simulation apparatus1,024US 5,485,408 ASIMS Deltec, Inc. · 1996
- Systems and methods for communicating with ambulatory medical devices such as drug delivery devices851US 5,338,157 APharmacia Deltec, Inc. · 1994
- Drug pump systems and methods658US 6,241,704 B1SIMS Deltec, Inc. · 2001
- Systems and methods for communicating with ambulatory medical devices such as drug delivery devices552US 6,024,539 ASIMS Deltec, Inc. · 2000