F04B 27/0538
Directly located side-by-side
Official title: {directly located side-by-side}
F04B27/0538 (Directly located side-by-side) appears on 17 US grants and 28 published applications in this corpus.
Search patents in F04B- Granted patents
- 17
- Published applications
- 28
- Assignees
- 23
- Inventors
- 64
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 2 |
| 2020 | 3 | 3 |
| 2021 | 3 | 5 |
| 2022 | 1 | 2 |
| 2023 | 3 | 6 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pump assembly5 May 2026US 12,618,402 B2Leggett & Platt Canada Co.
- Refrigerant compressor11 Nov 2025US 12,467,451 B2BITZER Kuehlmaschinenbau GmbH
- Compressor and compressor system4 Mar 2025US 12,241,665 B2Mayekawa Mfg. Co., Ltd.
- Suspension system, compressor assembly and portable oxygen concentrator5 Nov 2024US 12,135,021 B2Koninklijke Philips N. V.
- Refrigeration system12 Sep 2023US 11,754,321 B2BITZER Kuehlmaschinenbau GmbH
- Modular Pump and Pump Modules for Modular Pumps16 Jul 2026US 2026/0201874 A1Oxus America, Inc.
- Oil-free air compressor and vehicle2 Jul 2026US 2026/0185513 A1Zhejiang Ruili Air Copressor Equipment Co., Ltd.
- Systems and methods for capturing emissions with an internal combustion engine26 Mar 2026US 2026/0085677 A1Caterpillar Inc.
- Sound reduction device for rocking piston compressors4 Apr 2024US 2024/0110555 A1Gast Manufacturing, Inc.
- Four-cylinder compressor22 Feb 2024US 2024/0060483 A1Foshan MIC Medical Technology Co., Ltd
Most cited
By later US patents
- Reciprocating compressor19US 5,030,065 ASulzer Brothers Limited · 1991
- Air supply mechanism for ventricular assist system3US 8,596,992 B2L. Vad Technology, Inc. · 2013
- Compressor assembly for a compressed-air feed of a compressed-air supply system1US 11,078,895 B2ZF CV Systems Hannover GmbH · 2021
- Reciprocating compressor and control method therefor1US 11,143,177 B2Hitachi Industrial Equipment Systems Co., Ltd. · 2021
- Compressor and compressor system1US 12,241,665 B2Mayekawa Mfg. Co., Ltd. · 2025