B04B 1/02
Without inserted separating walls
Official title: without inserted separating walls
B04B1/02 (Without inserted separating walls) appears on 143 US grants and 94 published applications in this corpus.
Search patents in B04B- Granted patents
- 143
- Published applications
- 94
- Assignees
- 85
- Inventors
- 216
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 0 |
| 2002 | 4 | 3 |
| 2003 | 2 | 2 |
| 2004 | 5 | 2 |
| 2005 | 0 | 3 |
| 2006 | 5 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 6 |
| 2010 | 2 | 2 |
| 2011 | 4 | 2 |
| 2012 | 4 | 5 |
| 2013 | 6 | 6 |
| 2014 | 4 | 7 |
| 2015 | 4 | 6 |
| 2016 | 3 | 4 |
| 2017 | 3 | 5 |
| 2018 | 3 | 4 |
| 2019 | 3 | 7 |
| 2020 | 3 | 5 |
| 2021 | 4 | 4 |
| 2022 | 3 | 4 |
| 2023 | 1 | 4 |
| 2024 | 6 | 6 |
| 2025 | 3 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Annular centrifugal extractor with solid separation part to separate solid particles present in solvent extraction fluid and a process for the same24 Mar 2026US 12,582,923 B2Secretary, Department of Atomic Energy
- Portable centrifuge device and method of use15 Jul 2025US 12,357,741 B2ABC Med Tech Corp.
- Centrifuge24 Jun 2025US 12,337,097 B2Dsm IP Assets B.V.
- Grinding water treatment device for eyeglasses lens processing20 May 2025US 12,304,836 B2Nidek Co., Ltd.
- Apparatus for separating components of a fluid stream7 May 2024US 11,975,341 B2GM Innovations Limited
- Centrifugal solids-liquid separator system19 Feb 2026US 2026/0048348 A1
- Centrifuge18 Sep 2025US 2025/0288735 A1Dsm IP Assets B.V.
- Adipose tissue processing device7 Nov 2024US 2024/0367181 A1Dsm IP Assets B.V.
- Rotor and centrifuge using same7 Nov 2024US 2024/0367182 A1Eppendorf Himac Technologies Co., Ltd.
- Continuous centrifugal isolating system and methods of use thereof19 Sep 2024US 2024/0307892 A1The Regents of the University of Colorado, a body corporate
Most cited
By later US patents
- Cell separation system with variable size chamber for the processing of biological fluids156US 6,123,655 A2000
- Apparatus and method for centrifugally separating blood and then forming a fibrin monomer116US 6,027,655 ABristol-Myers Squibb Company · 2000
- Centrifuge processor and liquid level control system94US 4,846,780 AExxon Production Research Company · 1989
- Centrifuge reagent delivery method92US 5,958,253 ABristol-Myers Squibb Company · 1999
- Liquid separation apparatus and method91US 5,603,845 AE. R. Squibb & Sons, Inc. · 1997