B01J 2219/30265
Spiral
B01J2219/30265 (Spiral) appears on 19 US grants and 20 published applications in this corpus.
Search patents in B01J- Granted patents
- 19
- Published applications
- 20
- Assignees
- 16
- Inventors
- 67
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 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 | 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 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 3 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 3 | 1 |
| 2017 | 0 | 2 |
| 2018 | 2 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Separation processes and units via minimal surface area mass and heat transfer packing7 Nov 2023US 11,806,671 B2Geosepaa LLC
- Separation processes and units via minimal surface area mass and heat transfer packing3 Mar 2020US 10,576,423 B2Geosepaa LLC
- Shell and tube oxidation reactor with improved resistance to fouling14 Jan 2020US 10,532,338 B2Arkema Inc.
- Structured packing element having a spiral helix shape5 Nov 2019US 10,464,041 B2Axens
- Shell and tube oxidation reactor with improved resistance to fouling14 May 2019US 10,286,374 B2Arkema Inc.
- Separation processes and units via minimal surface area mass and heat transfer packing4 Jun 2020US 2020/0171437 A1Geosepaa LLC
- Shell and tube oxidation reactor with improved resistance to fouling4 Jul 2019US 2019/0201862 A1Arkema Inc.
- Structured packing element having a spiral helix shape14 Mar 2019US 2019/0076815 A1Axens
- Shell and tube oxidation reactor with improved resistance to fouling22 Mar 2018US 2018/0078919 A1Arkema Inc.
- Catalyst having a helical outer shape, improving hydrodynamics in reactors6 Jul 2017US 2017/0189896 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- Catalyst supports and fluid treatment devices18US 4,397,772 AUnited Kingdom Atomic Energy Authority · 1983
- Minimal surface area mass and heat transfer packing17US 9,440,216 B2Geosepaa LLC · 2016
- Insert for placement in a vessel and method of forming the insert13US 4,481,154 ACal Gavin Limited · 1984
- Fluid distribution and contacting elements9US 4,201,736 A1980
- Coil packing6US 4,110,418 A1978