B01J 2219/32213
Plurality of essentially parallel sheets
B01J2219/32213 (Plurality of essentially parallel sheets) appears on 389 US grants and 214 published applications in this corpus.
Search patents in B01J- Granted patents
- 389
- Published applications
- 214
- Assignees
- 157
- Inventors
- 715
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 7 | 0 |
| 1987 | 10 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 17 | 0 |
| 1993 | 14 | 0 |
| 1994 | 10 | 0 |
| 1995 | 19 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 12 | 0 |
| 1999 | 15 | 0 |
| 2000 | 9 | 0 |
| 2001 | 19 | 7 |
| 2002 | 13 | 14 |
| 2003 | 14 | 15 |
| 2004 | 9 | 14 |
| 2005 | 7 | 11 |
| 2006 | 6 | 10 |
| 2007 | 6 | 10 |
| 2008 | 10 | 15 |
| 2009 | 12 | 6 |
| 2010 | 6 | 7 |
| 2011 | 6 | 10 |
| 2012 | 9 | 5 |
| 2013 | 3 | 5 |
| 2014 | 7 | 9 |
| 2015 | 4 | 9 |
| 2016 | 5 | 7 |
| 2017 | 8 | 3 |
| 2018 | 4 | 10 |
| 2019 | 6 | 8 |
| 2020 | 4 | 4 |
| 2021 | 7 | 4 |
| 2022 | 4 | 8 |
| 2023 | 3 | 9 |
| 2024 | 5 | 5 |
| 2025 | 6 | 5 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Evaporative cooling pad for an air treatment unit21 Apr 2026US 12,607,369 B2Munters Europe Aktiebolag
- Packing section for a gas/liquid separation column4 Nov 2025US 12,458,947 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Structured packing bed for high pressure mass transfer and/or heat exchange applications22 Jul 2025US 12,366,416 B2Sulzer Management AG
- Structured cross-channel packing element with reduced material requirement24 Jun 2025US 12,337,292 B2Sulzer Management AG
- Structurally reinforced and nested packing elements24 Sep 2026US 2026/0284632 A1ExxonMobil Technology and Engineering Company
- Evaporative cooling pad for an air treatment unit30 Jul 2026US 2026/0218923 A1Munters Europe Aktiebolag
- Gas-liquid contact packing23 Apr 2026US 2026/0108862 A1TO-TOKU Engineering Co.,Ltd
- Structured packing22 Jan 2026US 2026/0021465 A1Koch-Glitsch, LP
- Chemical flow-reactor13 Nov 2025US 2025/0345770 A1Johnson Matthey Public Limited Company
Most cited
By later US patents
- 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
- Reactor and packing element for catalyzed chemical reactions70US 4,731,229 ASulzer Brothers Limited · 1988