F04B 2207/02
External pressure
F04B2207/02 (External pressure) appears on 37 US grants and 40 published applications in this corpus.
Search patents in F04B- Granted patents
- 37
- Published applications
- 40
- Assignees
- 32
- Inventors
- 125
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 3 |
| 2019 | 2 | 3 |
| 2020 | 4 | 6 |
| 2021 | 2 | 4 |
| 2022 | 7 | 3 |
| 2023 | 3 | 4 |
| 2024 | 2 | 1 |
| 2025 | 3 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluid control device7 Apr 2026US 12,595,794 B2Murata Manufacturing Co., Ltd.
- Method for simulating the effect of plugs on cement placement16 Dec 2025US 12,497,961 B2Halliburton Energy Services.Inc.
- Sump pump system and method21 Oct 2025US 12,448,975 B2Pentair, Inc.
- Air compressor23 Sep 2025US 12,421,955 B2Hitachi Industrial Equipment Systems Co., Ltd.
- Fluid pump having self-cleaning structure24 Sep 2024US 12,097,542 B2Q.E.D. Environmental Systems, Inc.
- Vacuum control system for sap flow optimization, and method of controlling pressure within a conduit network of a sap collection system13 Aug 2026US 2026/0231874 A1Les éQuipements Lapierre Inc.
- Sump pump system and method12 Feb 2026US 2026/0043408 A1Pentair, Inc.
- Analytical instrument having a syringe size identification functionality18 Dec 2025US 2025/0383365 A1Tecan Trading AG
- Method for simulating the effect of plugs on cement placement27 Jun 2024US 2024/0209849 A1Halliburton Energy Services.Inc.
- Air compressor19 Oct 2023US 2023/0332591 A1Hitachi Industrial Equipment Systems Co., Ltd.
Most cited
By later US patents
- Adaptive hydraulic fracturing controller for controlled breakdown technology96US 11,085,282 B2Halliburton Energy Services.Inc. · 2021
- Disposable relief valve seat for positive displacement pump24US 5,462,413 ALancer Corporation · 1995
- Air drying device for a pneumatic system22US 6,077,330 AAB Volvo · 2000
- Compressor control system and method15US 5,967,757 A1999
- Depression container11US 6,662,831 B22003