B01J 2208/0053
Controlling multiple zones along the direction of flow
Official title: Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
B01J2208/0053 (Controlling multiple zones along the direction of flow) appears on 820 US grants and 803 published applications in this corpus.
Search patents in B01J- Granted patents
- 820
- Published applications
- 803
- Assignees
- 482
- Inventors
- 2,191
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 10 | 0 |
| 1988 | 13 | 0 |
| 1989 | 19 | 0 |
| 1990 | 16 | 0 |
| 1991 | 13 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 12 | 0 |
| 2001 | 23 | 7 |
| 2002 | 11 | 29 |
| 2003 | 9 | 40 |
| 2004 | 28 | 36 |
| 2005 | 14 | 35 |
| 2006 | 19 | 43 |
| 2007 | 24 | 44 |
| 2008 | 14 | 29 |
| 2009 | 31 | 45 |
| 2010 | 47 | 32 |
| 2011 | 34 | 37 |
| 2012 | 29 | 26 |
| 2013 | 23 | 29 |
| 2014 | 22 | 29 |
| 2015 | 28 | 30 |
| 2016 | 33 | 32 |
| 2017 | 29 | 36 |
| 2018 | 23 | 21 |
| 2019 | 26 | 31 |
| 2020 | 28 | 34 |
| 2021 | 25 | 28 |
| 2022 | 24 | 26 |
| 2023 | 22 | 27 |
| 2024 | 19 | 35 |
| 2025 | 13 | 28 |
| 2026 | 13 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process and apparatus for cracking ammonia22 Sep 2026US 12,741,867 B2Air Products and Chemicals, Inc.
- Process and reaction system for the preparation of methanol16 Jun 2026US 12,655,080 B2Topsoe A/S
- Flameless combustion burner for an endothermic reaction process9 Jun 2026US 12,649,135 B2Technip Energies France
- Methanation reactor and method2 Jun 2026US 12,643,081 B2Ecole Polytechnique Federale De Lausanne (Epfl)
- Dehydrogenation and pyrolysis product recovery with a common refrigerant2 Jun 2026US 12,643,843 B2Uop LLC
- Ammonia Synthesis Converter and Method for Small Production Units8 Oct 2026US 2026/0308001 A1AmmPower America LLC
- Thermal management system for catalytic reactors20 Aug 2026US 2026/0241357 A1Aerospace Carbon Solutions LLC
- Reactor13 Aug 2026US 2026/0233182 A1Niterra Co., Ltd.
- Paraffin dehydrogenation reactor electric heater30 Jul 2026US 2026/0217629 A1Lummus Technology Inc.
- Radiative heat exchangers for tube segments such as heating tubes in electric impedance furnaces23 Jul 2026US 2026/0208137 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Steam reformer with internal hydrogen purification533US 5,861,137 A1999
- Catalytic ceramic membrane steam-hydrocarbon reformer269US 5,229,102 AMedalert Corporation · 1993
- 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
- Compact multi-fuel steam reformer132US 5,938,800 AMcDermott Technology, Inc. · 1999