B01J 19/32
Packing elements in the form of grids or built-up elements for forming
Official title: Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer
B01J19/32 (Packing elements in the form of grids or built-up elements for forming) appears on 770 US grants and 547 published applications in this corpus.
Search patents in B01J- Granted patents
- 770
- Published applications
- 547
- Assignees
- 346
- Inventors
- 1,579
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 13 | 0 |
| 1982 | 13 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 15 | 0 |
| 1986 | 8 | 0 |
| 1987 | 12 | 0 |
| 1988 | 10 | 0 |
| 1989 | 5 | 0 |
| 1990 | 11 | 0 |
| 1991 | 12 | 0 |
| 1992 | 18 | 0 |
| 1993 | 18 | 0 |
| 1994 | 15 | 0 |
| 1995 | 32 | 0 |
| 1996 | 23 | 0 |
| 1997 | 27 | 0 |
| 1998 | 20 | 0 |
| 1999 | 26 | 0 |
| 2000 | 17 | 0 |
| 2001 | 28 | 10 |
| 2002 | 19 | 25 |
| 2003 | 22 | 22 |
| 2004 | 13 | 24 |
| 2005 | 9 | 16 |
| 2006 | 12 | 21 |
| 2007 | 13 | 16 |
| 2008 | 16 | 18 |
| 2009 | 15 | 12 |
| 2010 | 9 | 14 |
| 2011 | 10 | 20 |
| 2012 | 14 | 15 |
| 2013 | 9 | 23 |
| 2014 | 21 | 32 |
| 2015 | 17 | 33 |
| 2016 | 23 | 15 |
| 2017 | 25 | 14 |
| 2018 | 16 | 22 |
| 2019 | 19 | 33 |
| 2020 | 21 | 24 |
| 2021 | 24 | 24 |
| 2022 | 20 | 26 |
| 2023 | 15 | 27 |
| 2024 | 16 | 20 |
| 2025 | 19 | 29 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gas-liquid contactor with packing for capturing carbon dioxide6 Oct 2026US 12,752,251 B2Carbon Engineering ULC
- Electrically heated reactor for endothermic processes8 Sep 2026US 12,728,400 B2Raven SR, Inc.
- Method and apparatus for regulating a flame length in a partial oxidation reactor11 Aug 2026US 12,704,258 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- 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
- Expandable catalyst support configuration8 Oct 2026US 2026/0307039 A1Johnson Matthey Davy Technologies Limited
- Structurally reinforced and nested packing elements24 Sep 2026US 2026/0284632 A1ExxonMobil Technology and Engineering Company
- 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.
- Polymer-based packing with lattice structures for rotating packed bed23 Jul 2026US 2026/0208149 A1Hindustan Petroleum Corporation Limited
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
- 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
- Process and structure for effecting catalytic reactions in distillation structure77US 5,073,236 A1991