B01J 2219/304
Composition or microstructure of the elements
B01J2219/304 (Composition or microstructure of the elements) appears on 365 US grants and 287 published applications in this corpus.
Search patents in B01J- Granted patents
- 365
- Published applications
- 287
- Assignees
- 226
- Inventors
- 803
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 2 | 0 |
| 1978 | 11 | 0 |
| 1979 | 3 | 0 |
| 1980 | 10 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 10 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 9 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 3 |
| 2002 | 6 | 3 |
| 2003 | 10 | 8 |
| 2004 | 5 | 11 |
| 2005 | 4 | 11 |
| 2006 | 6 | 12 |
| 2007 | 3 | 18 |
| 2008 | 6 | 18 |
| 2009 | 8 | 16 |
| 2010 | 11 | 12 |
| 2011 | 15 | 11 |
| 2012 | 9 | 6 |
| 2013 | 8 | 13 |
| 2014 | 5 | 10 |
| 2015 | 7 | 8 |
| 2016 | 10 | 8 |
| 2017 | 1 | 13 |
| 2018 | 14 | 12 |
| 2019 | 14 | 23 |
| 2020 | 14 | 14 |
| 2021 | 15 | 15 |
| 2022 | 9 | 7 |
| 2023 | 14 | 11 |
| 2024 | 6 | 8 |
| 2025 | 4 | 9 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 2219/30475Comprising catalytically active materialIndexing code152
- B01J 2219/30408MetalIndexing code144
- B01J 2219/30466PlasticsIndexing code142
- B01J 2219/30416CeramicIndexing code140
- B01J 2219/30433GlassIndexing code32
- B01J 2219/30483Fibrous materialsIndexing code27
- B01J 2219/30491Foam like materialsIndexing code7
- B01J 2219/30441WoodIndexing code0
All 10 subgroupsShow fewer
Recent patents
- Assemblies, apparatuses, systems, and methods for material extraction and conveyance1 Sep 2026US 12,722,911 B2Industrial Vacuum Transfer Services USA, LLC
- Heat transfer packing element6 Jan 2026US 12,515,190 B2Knight Material Technologies LLC
- Resaturation of gas into a liquid feedstream23 Sep 2025US 12,420,253 B2Crystaphase Products, Inc.
- High-energy laser surface processing for industrial column packing22 Jul 2025US 12,364,965 B2Honeywell Federal Manufacturing & Technologies, LLC
- Mass transfer swirler including distribution member20 May 2025US 12,303,859 B2Sabic Global Technologies B.V.
- Expandable catalyst support configuration8 Oct 2026US 2026/0307039 A1Johnson Matthey Davy Technologies Limited
- Assemblies, apparatuses, systems, and methods for material extraction and conveyance1 Oct 2026US 2026/0296806 A1Industrial Vacuum Transfer Services USA, LLC
- Assemblies, apparatuses, systems, and methods for material extraction and conveyance1 Oct 2026US 2026/0296807 A1Industrial Vacuum Transfer Services USA, LLC
- Polymer-based packing with lattice structures for rotating packed bed23 Jul 2026US 2026/0208149 A1Hindustan Petroleum Corporation Limited
- Catalyst shaped body9 Jul 2026US 2026/0192279 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Catalytic distillation structure137US 4,443,559 AChemical Research & Licensing Company · 1984
- Process for separating isobutene from C.sub.4 streams110US 4,242,530 AChemical Research & Licensing Company · 1980
- Process and apparatus for removal of organic pollutants from waste water104US 5,217,616 AAllied-Signal Inc. · 1993
- Catalyst system for separating isobutene from C.sub.4 streams101US 4,215,011 AChemical Research & Licensing Company · 1980
- Packing element75US 5,304,423 ANorton Chemical Process Products Corporation · 1994