B04B 7/04
Casings facilitating discharge
B04B7/04 (Casings facilitating discharge) appears on 36 US grants and 48 published applications in this corpus.
Search patents in B04B- Granted patents
- 36
- Published applications
- 48
- Assignees
- 27
- Inventors
- 85
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 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 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 4 |
| 2017 | 2 | 4 |
| 2018 | 3 | 3 |
| 2019 | 4 | 7 |
| 2020 | 2 | 2 |
| 2021 | 2 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 6 |
| 2024 | 2 | 5 |
| 2025 | 0 | 1 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separator insert and separator22 Sep 2026US 12,741,288 B2GEA Westfalia Separator Group GmbH
- Blood and bone marrow fractionation devices and methods26 May 2026US 12,636,661 B2Regenexx, LLC
- Centrifugal separator for cleaning gas27 Jan 2026US 12,535,023 B2Alfdex AB
- Centrifuge and method for loading and centrifuging a reaction vessel unit30 Jan 2024US 11,885,798 B2Yantai Ausbio Laboratories Co., Ltd.
- Centrifuge including a magnetic element and method for centrifuging a reaction vessel unit30 Jan 2024US 11,885,799 B2Yantai Ausbio Laboratories Co., Ltd.
- A centrifugal separator for cleaning gas9 Jul 2026US 2026/0192225 A1Alfdex AB
- Centrifugal separator for cleaning gas30 Apr 2026US 2026/0117685 A1Alfdex AB
- A centrifugal separator comprising a turbine casing3 Jul 2025US 2025/0214090 A1Alfdex AB
- Blood and Bone Marrow Fractionation Devices and Methods19 Dec 2024US 2024/0416363 A1Regenexx, LLC
- Centrifuge and method for centrifuging a reaction vessel unit11 Jul 2024US 2024/0230632 A9Yantai Ausbio Laboratories Co., Ltd.
Most cited
By later US patents
- Centrifugal drill cuttings drying apparatus37US 6,763,605 B2Baker Hughes Incorporated · 2004
- Deviation ring for a self-distributing centrifuge23US 7,204,795 B2Westfalia Separator AG · 2007
- Centrifugal separator20US 3,960,319 AKobe, Inc. · 1976
- Process and installation for the production of selected crystallization seeds for use in a sugar refinery10US 4,164,429 AFives-Cail Babcock · 1979
- Horizontal scroll screen centrifuge8US 6,736,968 B2Tema Systems, Inc. · 2004