B01J 2219/30215
Toroid or ring
B01J2219/30215 (Toroid or ring) appears on 99 US grants and 94 published applications in this corpus.
Search patents in B01J- Granted patents
- 99
- Published applications
- 94
- Assignees
- 63
- Inventors
- 245
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 5 | 0 |
| 2003 | 0 | 3 |
| 2004 | 3 | 4 |
| 2005 | 2 | 3 |
| 2006 | 3 | 4 |
| 2007 | 1 | 4 |
| 2008 | 2 | 7 |
| 2009 | 2 | 8 |
| 2010 | 6 | 7 |
| 2011 | 6 | 2 |
| 2012 | 3 | 4 |
| 2013 | 5 | 7 |
| 2014 | 1 | 2 |
| 2015 | 6 | 2 |
| 2016 | 3 | 2 |
| 2017 | 0 | 2 |
| 2018 | 3 | 2 |
| 2019 | 4 | 10 |
| 2020 | 8 | 4 |
| 2021 | 4 | 3 |
| 2022 | 0 | 2 |
| 2023 | 4 | 4 |
| 2024 | 1 | 3 |
| 2025 | 3 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Assemblies, apparatuses, systems, and methods for material extraction and conveyance1 Sep 2026US 12,722,911 B2Industrial Vacuum Transfer Services USA, LLC
- Resaturation of gas into a liquid feedstream23 Sep 2025US 12,420,253 B2Crystaphase Products, Inc.
- Mass transfer swirler including distribution member20 May 2025US 12,303,859 B2Sabic Global Technologies B.V.
- Use of treating elements to facilitate flow in vessels11 Mar 2025US 12,247,596 B2Crystaphase Products, Inc.
- Assemblies, apparatuses, systems, and methods for material extraction and conveyance17 Sep 2024US 12,091,264 B2Industrial Vacuum Transfer Services USA, LLC
- Assemblies, apparatuses, systems, and methods for material extraction and conveyance1 Oct 2026US 2026/0296806 A1Industrial Vacuum Transfer Services USA, LLC
- Assemblies, apparatuses, systems, and methods for material extraction and conveyance1 Oct 2026US 2026/0296807 A1Industrial Vacuum Transfer Services USA, LLC
- Resaturation of gas into a liquid feedstream25 Dec 2025US 2025/0387768 A1Crystaphase Products, Inc.
- Use of treating elements to facilitate flow in vessels26 Jun 2025US 2025/0207617 A1Crystaphase Products, Inc.
- Use of treating elements to facilitate flow in vessels19 Jun 2025US 2025/0198433 A1Crystaphase Products, Inc.
Most cited
By later US patents
- Catalytic distillation structure137US 4,443,559 AChemical Research & Licensing Company · 1984
- Thermal crystallization of polyester pellets in liquid45US 7,329,723 B2Eastman Chemical Company · 2008
- Plastics elements for inordinate film-flow packings40US 4,842,920 AHungaria Muanyagfeldolgozo Vallalat · 1989
- Packing material unit36US 4,425,285 ANittetu Chemical Engineering Ltd. · 1984
- Expanded metal saddle tower packing35US 4,519,960 AGlitsch, Inc. · 1985