B04B 1/14
With periodical discharge
Official title: with periodical discharge
B04B1/14 (With periodical discharge) appears on 160 US grants and 89 published applications in this corpus.
Search patents in B04B- Granted patents
- 160
- Published applications
- 89
- Assignees
- 51
- Inventors
- 211
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 9 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 3 |
| 2005 | 0 | 3 |
| 2006 | 3 | 1 |
| 2007 | 0 | 2 |
| 2008 | 2 | 0 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 0 | 2 |
| 2012 | 4 | 3 |
| 2013 | 4 | 5 |
| 2014 | 4 | 5 |
| 2015 | 3 | 5 |
| 2016 | 2 | 6 |
| 2017 | 2 | 2 |
| 2018 | 8 | 6 |
| 2019 | 2 | 2 |
| 2020 | 4 | 6 |
| 2021 | 6 | 6 |
| 2022 | 2 | 3 |
| 2023 | 3 | 3 |
| 2024 | 3 | 9 |
| 2025 | 4 | 8 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Centrifugal separators and separation methods providing intermediate material ejection control28 Jul 2026US 12,691,457 B2Empirical Innovations, Inc.
- Self-emptying separator21 Apr 2026US 12,605,720 B2GEA Mechanical Equipment GmbH
- Continuous clean centrifuge2 Sep 2025US 12,403,482 B1
- Centrifuge24 Jun 2025US 12,337,097 B2Dsm IP Assets B.V.
- Method of controlling centrifugal separator and centrifugal separator18 Mar 2025US 12,251,714 B2Alfa Laval Corporate AB
- Method for cleaning a separator3 Sep 2026US 2026/0257232 A1GEA Westfalia Separator Group GmbH
- Method for operating a system comprising a centrifugal separator27 Aug 2026US 2026/0249213 A1Alfa Laval Corporate AB
- Centrifugal separator30 Jul 2026US 2026/0216737 A1Alfa Laval Corporate AB
- Self-emptying separator16 Oct 2025US 2025/0319479 A1GEA Westfalia Separator Group GmbH
- Centrifuge18 Sep 2025US 2025/0288735 A1Dsm IP Assets B.V.
Most cited
By later US patents
- Centrifuge for separating solids/liquids mixtures49US 4,339,072 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1982
- Centrifugal separator43US 4,820,256 AAlfa-Laval Separation AB · 1989
- Centrifugal separator with annular sealing means arranged around the rotor outlet for separated liquid37US 4,629,564 AAlfa-Laval Separation AB · 1986
- Method for the separation of blood plasma particles from a blood plasma suspension37US 7,081,082 B2Bayer Aktiengesellschaft · 2006
- Centrifuge for separating solids from liquids30US 4,015,773 AAlfa-Laval AB · 1977