B01J 2219/32272
Relating to blocks in superimposed layers
Official title: relating to blocks in superimposed layers
B01J2219/32272 (Relating to blocks in superimposed layers) appears on 97 US grants and 87 published applications in this corpus.
Search patents in B01J- Granted patents
- 97
- Published applications
- 87
- Assignees
- 51
- Inventors
- 229
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 4 |
| 2003 | 6 | 4 |
| 2004 | 0 | 6 |
| 2005 | 2 | 3 |
| 2006 | 5 | 8 |
| 2007 | 2 | 2 |
| 2008 | 6 | 5 |
| 2009 | 6 | 2 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 2 | 3 |
| 2014 | 1 | 3 |
| 2015 | 3 | 5 |
| 2016 | 3 | 5 |
| 2017 | 2 | 2 |
| 2018 | 8 | 4 |
| 2019 | 1 | 4 |
| 2020 | 2 | 4 |
| 2021 | 6 | 2 |
| 2022 | 3 | 6 |
| 2023 | 0 | 3 |
| 2024 | 2 | 0 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatuses and processes for distillation and distillation column assembly5 May 2026US 12,616,950 B2Air Prodcuts and Chemicals, Inc.
- 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 packing for gas phase reactor31 Dec 2024US 12,179,167 B2Julius Montz GmbH
- Structured packing and crossflow contactor employing same30 Jul 2024US 12,048,911 B2Koch-Glitsch, LP
- Heat-conducting assembly for hydration reaction, hydrate reactor, and hydrate reaction system25 Jun 2026US 2026/0176542 A1China Petroleum & Chemical Corporation
- Chemical flow-reactor13 Nov 2025US 2025/0345770 A1Johnson Matthey Public Limited Company
- Reactor for the synthesis of urea24 Apr 2025US 2025/0128232 A1Casale SA
- Apparatuses and processes for distillation and distillation column assembly24 Apr 2025US 2025/0128234 A1Air Products and Chemicals, Inc.
- Structured packing bed for high pressure mass transfer and/or heat exchange applications9 Nov 2023US 2023/0358480 A1Sulzer Management AG
Most cited
By later US patents
- Apparatus for flow distribution in packed towers59US 4,842,778 AGlitsch, Inc. · 1989
- Porous structure for fluid contact56US 4,719,090 ANGK Insulators, Ltd. · 1988
- Ceramic packing with channels for thermal and catalytic beds37US 5,851,636 ALantec Products, Inc. · 1998
- Vapor-liquid contactor, cryogenic air separation unit and method of gas separation35US 6,565,629 B1Nippon Sanso Corporation · 2003
- High-performance catalyst support32US 7,320,778 B2Catacel Corp. · 2008