B01D 59/20
Separation by centrifuging
B01D59/20 (Separation by centrifuging) appears on 46 US grants and 23 published applications in this corpus.
Search patents in B01D- Granted patents
- 46
- Published applications
- 23
- Assignees
- 33
- Inventors
- 78
- Latest grant
- 4 Apr 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 3 |
| 2011 | 1 | 2 |
| 2012 | 4 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 3 |
| 2023 | 2 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and process for purification of Astatine-211 from target materials4 Apr 2023US 11,621,097 B2Battelle Memorial Institute
- Process and apparatus to remove carbon-14 from carbon-dioxide in atmospheric gases and agricultural products grown in controlled environments17 Jan 2023US 11,554,345 B2
- System and process for purification of astatine-211 from target materials22 Feb 2022US 11,257,602 B2Battelle Memorial Institute
- Process and apparatus to remove carbon-14 from carbon-dioxide in atmospheric gases and agricultural products grown in controlled environments7 Dec 2021US 11,192,067 B2
- Process and apparatus to remove carbon-14 from carbon-dioxide in atmospheric gases and agricultural products grown in controlled environments2 Feb 2021US 10,905,998 B2
- Systems and methods for highly efficient isotope enrichment by liquid solution centrifugation1 Oct 2026US 2026/0295532 A1The Trustees of Columbia University in the City of New York
- Thin fluid layers and streams facilitated, force-based atom, ion, molecule, and fine particle separators and methods of using the same15 Feb 2024US 2024/0052457 A1
- System and method for treating fluid containing radiological material21 Dec 2023US 2023/0411028 A1Atkins Energy Products & Technology, LLC
- Process and apparatus to remove carbon-14 from carbon-dioxide in atmospheric gases and agricultural products grown in controlled environments26 May 2022US 2022/0161191 A1
- System and Process for Purification of Astatine-211 From Target Materials12 May 2022US 2022/0148751 A1Battelle Memorial Institute
Most cited
By later US patents
- Gas separation with rotating plasma arc reactor54US 5,039,312 AThe United States of America as represented by the Secretary of the Interior · 1991
- Rotating concentric homogeneous turbulence centrifuge20US 3,998,610 ACominco Ltd. · 1976
- Apparatus for the stable confinement of an ionized gas column inside a magnetic field20US 4,046,527 AUltracentrifuge Nederland N.V. · 1977
- Method and apparatus for separation of gaseous particles of different masses by centrifugal forces18US 4,090,855 AGesellschaft fur Kernverfahrenstechnik m.b.H. · 1978
- Centrifuge separator14US 4,373,941 A1983