F04B 45/0533
The fluid being actuated directly by a piston
Official title: {the fluid being actuated directly by a piston}
F04B45/0533 (The fluid being actuated directly by a piston) appears on 36 US grants and 47 published applications in this corpus.
Search patents in F04B- Granted patents
- 36
- Published applications
- 47
- Assignees
- 19
- Inventors
- 82
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 1 |
| 2017 | 2 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 0 | 7 |
| 2022 | 3 | 3 |
| 2023 | 4 | 9 |
| 2024 | 5 | 4 |
| 2025 | 9 | 1 |
| 2026 | 1 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Device and method for monitoring oil pressure and gas pressure of diaphragm compressor20 Jan 2026US 12,529,374 B2Xi'an Jiao Tong University
- Leak detection from diaphragm compressor18 Nov 2025US 12,473,903 B2Cavendish Hydrogen A/S
- High-throughput diaphragm compressor2 Sep 2025US 12,404,851 B2PDC Machines Inc.
- Membrane compressor2 Sep 2025US 12,404,852 B2
- Active oil injection system for a diaphragm compressor12 Aug 2025US 12,385,480 B2PDC Machines Inc.
- Capacity control for diaphragm compressor13 Aug 2026US 2026/0235116 A1
- A diaphragm compressor arrangement and use thereof30 Jul 2026US 2026/0218698 A1Cavendish Hydrogen A/S
- Pneumatic exomuscle system and method27 Nov 2025US 2025/0360611 A1
- High-pressure diaphragm compressor31 Oct 2024US 2024/0360823 A1Xi'an Jiao Tong University
- Membrane compressor5 Sep 2024US 2024/0295215 A1
Most cited
By later US patents
- Suctioning system, method and kit150US 7,503,910 B22009
- Suctioning system, method and kit123US 8,235,972 B22012
- Fluid cooled diaphragms for diaphragm compressors34US 6,790,014 B22004
- Diaphragm compressor system and method24US 10,619,633 B2Other Lab, LLC · 2020
- Diaphragm compressor system and method23US 10,012,229 B2Other Lab, LLC · 2018