B01J 8/0461
In two or more cylindrical annular shaped beds
Official title: {in two or more cylindrical annular shaped beds}
B01J8/0461 (In two or more cylindrical annular shaped beds) appears on 228 US grants and 214 published applications in this corpus.
Search patents in B01J- Granted patents
- 228
- Published applications
- 214
- Assignees
- 138
- Inventors
- 432
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 12 |
| 2003 | 5 | 8 |
| 2004 | 10 | 15 |
| 2005 | 5 | 9 |
| 2006 | 8 | 10 |
| 2007 | 7 | 14 |
| 2008 | 6 | 7 |
| 2009 | 10 | 9 |
| 2010 | 8 | 12 |
| 2011 | 11 | 15 |
| 2012 | 11 | 9 |
| 2013 | 8 | 8 |
| 2014 | 7 | 6 |
| 2015 | 10 | 7 |
| 2016 | 8 | 8 |
| 2017 | 7 | 1 |
| 2018 | 6 | 8 |
| 2019 | 10 | 10 |
| 2020 | 9 | 11 |
| 2021 | 11 | 11 |
| 2022 | 3 | 5 |
| 2023 | 6 | 6 |
| 2024 | 3 | 5 |
| 2025 | 3 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ammonia synthesis converter and method for small production units14 Apr 2026US 12,600,641 B2
- Apparatus for distributing fluid in downflow reactors7 Apr 2026US 12,594,533 B2Hindustan Petroleum Corporation Limited
- Combination of structured catalyst elements and pellets3 Mar 2026US 12,565,425 B2Haldor TopsøE A/S
- Combined reformer and catalyst replacement method thereof21 Oct 2025US 12,447,452 B2Doosan Enerbility Co., Ltd.
- Solid particle bed, fixed bed, and oil hydrogenation method19 Aug 2025US 12,391,888 B2China Petroleum & Chemical Corporation
- Ammonia Synthesis Converter and Method for Small Production Units8 Oct 2026US 2026/0308001 A1AmmPower America LLC
- Reactor Systems for Gas Synthesis3 Sep 2026US 2026/0257185 A117, Inc.
- Processes and apparatuses for controlling a temperature of a reactor23 Apr 2026US 2026/0108858 A1Uop LLC
- Ammonia synthesis converter and method for small production units15 May 2025US 2025/0153127 A1AmmPower America LLC
- Reactor24 Apr 2025US 2025/0128223 A1Johnson Matthey Davy Technologies Limited
Most cited
By later US patents
- Steam reformer with internal hydrogen purification533US 5,861,137 A1999
- Steam reformer with internal hydrogen purification269US 5,997,594 ANorthwest Power Systems, LLC · 1999
- Hydrogen producing fuel processing system236US 6,221,117 B1IdaTech, LLC · 2001
- Integrated fuel cell system112US 6,376,113 B1IdaTech, LLC · 2002
- Hydrogen purification membranes, components and fuel processing systems containing the same86US 6,537,352 B2IdaTech, LLC · 2003