F04B 39/005
With direct action on the fluid flow using absorptive materials
Official title: {with direct action on the fluid flow using absorptive materials}
F04B39/005 (With direct action on the fluid flow using absorptive materials) appears on 35 US grants and 35 published applications in this corpus.
Search patents in F04B- Granted patents
- 35
- Published applications
- 35
- Assignees
- 33
- Inventors
- 94
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 3 | 5 |
| 2019 | 1 | 4 |
| 2020 | 5 | 5 |
| 2021 | 1 | 4 |
| 2022 | 5 | 2 |
| 2023 | 4 | 2 |
| 2024 | 3 | 2 |
| 2025 | 3 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Personal air sampling pump assembly9 Dec 2025US 12,492,694 B2Casella Holdings Limited
- Bead gasket11 Nov 2025US 12,467,443 B2Schwäbische Hüttenwerke Automotive GmbH
- Apparatus for damping pressure pulsation for a compressor of a gaseous fluid3 Jun 2025US 12,320,345 B2Hanon Systems
- Pump for artificial circulatory assistance and a pumping system11 Jun 2024US 12,005,247 B2Zammi Instrumental Ltda
- Compressor and manufacturing method thereof7 May 2024US 11,976,650 B2LG Electronics Inc.
- Fluid circulation chamber membrane, a chamber and pump for artificial circulatory assistance and a pumping system29 Aug 2024US 2024/0285930 A1Zammi Instrumental Ltda
- Electric Pump And Compressor Assembly, Systems Comprising Same, And Methods Of Using Same13 Jun 2024US 2024/0191707 A1Nott Company
- Air compressor9 Feb 2023US 2023/0038911 A1Makita Corporation
- An apparatus for damping pressure pulsation for a compressor of a gaseous fluid26 Jan 2023US 2023/0022916 A1Hanon Systems
- Personal air sampling pump assembly29 Dec 2022US 2022/0412338 A1IDEAL Industries, Inc.
Most cited
By later US patents
- Pulse damper or acoustic outlet piece for a compressor and compressor equipped therewith17US 5,810,566 AAtlas Copco Airpower N.V. · 1998
- Flow pulsatility dampening devices for closed-loop controlled infusion systems17US 8,449,500 B2Baxter Healthcare S. A. · 2013
- Components for compressors having electroless coatings on wear surfaces16US 9,885,347 B2Emerson Climate Technologies, Inc. · 2018
- Resistive suction muffler for refrigerant compressors14US 6,840,746 B2Bristol Compressors, Inc. · 2005
- Housing Lining9US 5,589,242 AFirma Carl Freudenberg · 1996