F04C 2270/18
Pressure
F04C2270/18 (Pressure) appears on 240 US grants and 314 published applications in this corpus.
Search patents in F04C- Granted patents
- 240
- Published applications
- 314
- Assignees
- 169
- Inventors
- 618
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 3 |
| 2003 | 3 | 8 |
| 2004 | 3 | 8 |
| 2005 | 5 | 11 |
| 2006 | 5 | 7 |
| 2007 | 3 | 3 |
| 2008 | 3 | 6 |
| 2009 | 1 | 6 |
| 2010 | 4 | 7 |
| 2011 | 4 | 4 |
| 2012 | 7 | 11 |
| 2013 | 7 | 11 |
| 2014 | 8 | 15 |
| 2015 | 6 | 14 |
| 2016 | 10 | 10 |
| 2017 | 8 | 19 |
| 2018 | 12 | 27 |
| 2019 | 12 | 26 |
| 2020 | 20 | 25 |
| 2021 | 24 | 21 |
| 2022 | 13 | 14 |
| 2023 | 23 | 25 |
| 2024 | 17 | 14 |
| 2025 | 15 | 6 |
| 2026 | 8 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Progressive cavity pump system having reverse mode8 Sep 2026US 12,729,682 B2Schlumberger Technology Corporation
- Method for controlling a compressor installation4 Aug 2026US 12,698,766 B2Kaeser Kompressoren SE
- Fluid handling protection system28 Jul 2026US 12,693,692 B2Binks US, LLC
- Screw compressor14 Jul 2026US 12,680,545 B2Hitachi, Ltd.
- Pump and method to attenuate pulses at the discharge24 Mar 2026US 12,584,483 B2Magpumps Limited
- Device for increasing pressure between an oil pump housing and an oil pump cover10 Sep 2026US 2026/0266288 A1Volvo Truck Corporation
- Gas Compressor20 Aug 2026US 2026/0243258 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Air Compressor30 Jul 2026US 2026/0218705 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Method for controlling an eccentric screw pump23 Jul 2026US 2026/0210354 A1Seepex GmbH
- Predicting tip seal wear in scroll pump23 Jul 2026US 2026/0210358 A1Agilent Technologies, Inc.
Most cited
By later US patents
- System and method for monitoring and control of cavitation in positive displacement pumps169US 9,546,652 B2IMO Industries, Inc. · 2017
- Scroll machine with continuous capacity modulation148US 6,412,293 B1Copeland Corporation · 2002
- System and method for controlling rotary screw compressors125US 6,450,771 B1Coltec Industries Inc. · 2002
- System and methods for controlling rotary screw compressors122US 5,713,724 AColtec Industries Inc. · 1998
- Compressor diagnostic and protection system121US 7,412,842 B2Emerson Climate Technologies, Inc. · 2008