B01J 2219/3221
Corrugated sheets
B01J2219/3221 (Corrugated sheets) appears on 394 US grants and 246 published applications in this corpus.
Search patents in B01J- Granted patents
- 394
- Published applications
- 246
- Assignees
- 168
- Inventors
- 744
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 11 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 10 | 0 |
| 1995 | 19 | 0 |
| 1996 | 12 | 0 |
| 1997 | 15 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 9 | 0 |
| 2001 | 18 | 8 |
| 2002 | 14 | 17 |
| 2003 | 14 | 15 |
| 2004 | 9 | 16 |
| 2005 | 8 | 14 |
| 2006 | 7 | 9 |
| 2007 | 6 | 9 |
| 2008 | 8 | 11 |
| 2009 | 7 | 6 |
| 2010 | 4 | 8 |
| 2011 | 7 | 13 |
| 2012 | 9 | 9 |
| 2013 | 3 | 12 |
| 2014 | 13 | 10 |
| 2015 | 8 | 12 |
| 2016 | 13 | 9 |
| 2017 | 5 | 5 |
| 2018 | 6 | 8 |
| 2019 | 5 | 10 |
| 2020 | 4 | 9 |
| 2021 | 11 | 11 |
| 2022 | 10 | 3 |
| 2023 | 4 | 3 |
| 2024 | 5 | 7 |
| 2025 | 5 | 7 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas-liquid contactor with packing for capturing carbon dioxide6 Oct 2026US 12,752,251 B2Carbon Engineering ULC
- Apparatuses and processes for distillation and distillation column assembly5 May 2026US 12,616,950 B2Air Prodcuts and Chemicals, Inc.
- Evaporative cooling pad for an air treatment unit21 Apr 2026US 12,607,369 B2Munters Europe Aktiebolag
- High surface-area contactor media for improved gas-liquid contactors18 Nov 2025US 12,472,461 B2Intrls, Inc.
- Structured packing bed for high pressure mass transfer and/or heat exchange applications22 Jul 2025US 12,366,416 B2Sulzer Management AG
- Structurally reinforced and nested packing elements24 Sep 2026US 2026/0284632 A1ExxonMobil Technology and Engineering 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
- High surface-area contactor media for improved gas-liquid contactors19 Mar 2026US 2026/0077297 A1Intrnls, Inc.
- Structured packing22 Jan 2026US 2026/0021465 A1Koch-Glitsch, LP
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