B04B 9/06
Fluid drive
B04B9/06 (Fluid drive) appears on 101 US grants and 78 published applications in this corpus.
Search patents in B04B- Granted patents
- 101
- Published applications
- 78
- Assignees
- 45
- Inventors
- 161
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 6 |
| 2005 | 3 | 1 |
| 2006 | 4 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 1 |
| 2011 | 1 | 2 |
| 2012 | 3 | 6 |
| 2013 | 1 | 1 |
| 2014 | 3 | 1 |
| 2015 | 3 | 8 |
| 2016 | 2 | 3 |
| 2017 | 4 | 2 |
| 2018 | 4 | 10 |
| 2019 | 5 | 3 |
| 2020 | 5 | 3 |
| 2021 | 7 | 4 |
| 2022 | 5 | 6 |
| 2023 | 1 | 1 |
| 2024 | 1 | 3 |
| 2025 | 6 | 4 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas separation device system using waveform disks15 Sep 2026US 12,734,477 B2
- Disk array for use in a system and a method for separating fluids9 Jun 2026US 12,649,124 B2Qwtip LLC
- Compact rotating fluid stabilizer and multiphase separator system21 Apr 2026US 12,605,652 B1
- Modular centrifugal separator for cleaning gas7 Apr 2026US 12,594,561 B2Alfdex AB
- Waveform disks and a system using the waveform disks19 Aug 2025US 12,392,330 B2Qwtip LLC
- Centrifugal separator arrangement, system and method for energy harvesting in a centrifugal separator arrangement19 Feb 2026US 2026/0048400 A1MANN+HUMMEL Ventures Pte. Ltd.
- System and Method for Separating Fluids and Creating Magnetic Fields24 Jul 2025US 2025/0237200 A1Qwtip LLC
- A centrifugal separator comprising a turbine casing3 Jul 2025US 2025/0214090 A1Alfdex AB
- Gas Separation Device System Using Waveform Disks15 May 2025US 2025/0154939 A1Qwtip LLC
- Fluid Processing System with a Disk-Pack Turbine15 May 2025US 2025/0154940 A1Qwtip LLC
Most cited
By later US patents
- Centrifugal filter for removing soot from engine oil84US 6,517,475 B1Analytical Engineering, Inc. · 2003
- Bone slurry recovery65US 6,387,070 B1NuVasive, Inc. · 2002
- Nozzle inlet enhancement for a high speed turbine-driven centrifuge64US 6,019,717 AFleetguard, Inc. · 2000
- High performance soot removing centrifuge with impulse turbine50US 6,017,300 AFleetguard, Inc. · 2000
- Centrifugal separator for cleaning gas generated by an internal combustion engine and a method for operating the same45US 7,338,546 B2Alfa Laval Corporate AB · 2008