B01J 2219/32279
Tubes or cylinders
B01J2219/32279 (Tubes or cylinders) appears on 94 US grants and 75 published applications in this corpus.
Search patents in B01J- Granted patents
- 94
- Published applications
- 75
- Assignees
- 68
- Inventors
- 252
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 4 |
| 2003 | 8 | 5 |
| 2004 | 0 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 2 |
| 2013 | 2 | 0 |
| 2014 | 2 | 3 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 0 | 3 |
| 2018 | 2 | 1 |
| 2019 | 6 | 8 |
| 2020 | 5 | 4 |
| 2021 | 5 | 6 |
| 2022 | 2 | 4 |
| 2023 | 3 | 3 |
| 2024 | 6 | 2 |
| 2025 | 3 | 4 |
| 2026 | 1 | 2 |
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.
- High surface-area contactor media for improved gas-liquid contactors18 Nov 2025US 12,472,461 B2Intrls, Inc.
- Process for installing a section of packing in a casing5 Aug 2025US 12,377,398 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Gas-solid contacting system with structured packing8 Apr 2025US 12,269,006 B2
- Structured packing for gas phase reactor31 Dec 2024US 12,179,167 B2Julius Montz GmbH
- Rotating packed bed with internal supports and split casing16 Jul 2026US 2026/0199866 A1Hindustan Petroleum Corporation Limited
- High surface-area contactor media for improved gas-liquid contactors19 Mar 2026US 2026/0077297 A1Intrnls, Inc.
- High surface-area contactor media for improved gas-liquid contactors19 Jun 2025US 2025/0196056 A1Intrls, Inc.
- Packing for a rotating packed bed29 May 2025US 2025/0170549 A1Carbon Clean Solutions Limited
- Apparatuses and processes for distillation and distillation column assembly24 Apr 2025US 2025/0128234 A1Air Products and Chemicals, Inc.
Most cited
By later US patents
- Catalytic distillation structure41US 5,431,890 AChemical Research & Licensing Company · 1995
- Media for filtration40US 5,779,886 A1998
- Catalytic distillation structure37US 5,730,843 AChemical Research & Licensing Company · 1998
- Structure composed of elements and method for its production37US 6,884,486 B2Technische Universitat Clausthal · 2005
- Vapor-liquid contactor, cryogenic air separation unit and method of gas separation35US 6,565,629 B1Nippon Sanso Corporation · 2003