B01J 2219/32
Details relating to packing elements in the form of grids or built-up
Official title: Details relating to packing elements in the form of grids or built-up elements for forming a unit of module inside the apparatus for mass or heat transfer
B01J2219/32 (Details relating to packing elements in the form of grids or built-up) appears on 847 US grants and 630 published applications in this corpus.
Search patents in B01J- Granted patents
- 847
- Published applications
- 630
- Assignees
- 387
- Inventors
- 1,771
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 14 | 0 |
| 1982 | 10 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 16 | 0 |
| 1986 | 9 | 0 |
| 1987 | 12 | 0 |
| 1988 | 11 | 0 |
| 1989 | 7 | 0 |
| 1990 | 11 | 0 |
| 1991 | 14 | 0 |
| 1992 | 17 | 0 |
| 1993 | 17 | 0 |
| 1994 | 16 | 0 |
| 1995 | 33 | 0 |
| 1996 | 18 | 0 |
| 1997 | 26 | 0 |
| 1998 | 19 | 0 |
| 1999 | 25 | 0 |
| 2000 | 18 | 0 |
| 2001 | 34 | 13 |
| 2002 | 26 | 30 |
| 2003 | 30 | 30 |
| 2004 | 20 | 34 |
| 2005 | 12 | 24 |
| 2006 | 16 | 29 |
| 2007 | 11 | 22 |
| 2008 | 16 | 23 |
| 2009 | 21 | 13 |
| 2010 | 13 | 21 |
| 2011 | 14 | 23 |
| 2012 | 19 | 19 |
| 2013 | 12 | 24 |
| 2014 | 22 | 33 |
| 2015 | 20 | 28 |
| 2016 | 25 | 18 |
| 2017 | 21 | 15 |
| 2018 | 15 | 15 |
| 2019 | 23 | 39 |
| 2020 | 23 | 28 |
| 2021 | 29 | 35 |
| 2022 | 24 | 28 |
| 2023 | 25 | 26 |
| 2024 | 17 | 21 |
| 2025 | 17 | 23 |
| 2026 | 11 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 2219/322Basic shape of the elementsIndexing code743
- B01J 2219/324Composition or microstructure of the elementsIndexing code467
- B01J 2219/332Details relating to the flow of the phasesIndexing code102
- B01J 2219/328Manufacturing aspectsIndexing code57
- B01J 2219/33Details relating to the packing elements in generalIndexing code56
- B01J 2219/326Mathematical modellingIndexing code42
Recent patents
- Gas-liquid contactor with packing for capturing carbon dioxide6 Oct 2026US 12,752,251 B2Carbon Engineering ULC
- Absorption column comprising a feed box having a serrated weir and a structured packing and process for the production of nitric acid28 Jul 2026US 12,692,156 B2Yara International Asa
- Reactor for the synthesis of urea14 Jul 2026US 12,679,803 B2Casale SA
- Lattice structure for sparging evaporator in catalytic inerting system12 May 2026US 12,623,200 B2Parker-Hannifin Corporation
- Apparatuses and processes for distillation and distillation column assembly5 May 2026US 12,616,950 B2Air Prodcuts and Chemicals, Inc.
- Structurally reinforced and nested packing elements24 Sep 2026US 2026/0284632 A1ExxonMobil Technology and Engineering Company
- Reactor with counter helical flow channels and method of using same17 Sep 2026US 2026/0273500 A1Corning Incorporated
- Structured packing material for rotating packed bed contactor3 Sep 2026US 2026/0257184 A1Aramco Services Company
- Microstructure for a fill sheet13 Aug 2026US 2026/0233191 A1Brentwood Industries, Inc.
- Evaporative cooling pad for an air treatment unit30 Jul 2026US 2026/0218923 A1Munters Europe Aktiebolag
Most cited
By later US patents
- Method for humidifying air135US 5,425,902 ATom Miller, Inc. · 1995
- Packing element for an exchange column128US 4,296,050 ASulzer Brothers Limited · 1981
- Catalyst system for separating isobutene from C.sub.4 streams101US 4,215,011 AChemical Research & Licensing Company · 1980
- Tower packing material and method91US 4,604,247 AGlitsch, Inc. · 1986
- Method of and apparatus for intermediate lamella vapor liquid contact83US 4,597,916 AGlitsch, Inc. · 1986