B01J 2219/00074
By indirect heating or cooling employing heat exchange fluids
Official title: by indirect heating or cooling employing heat exchange fluids
B01J2219/00074 (By indirect heating or cooling employing heat exchange fluids) appears on 3,242 US grants and 2,796 published applications in this corpus.
Search patents in B01J- Granted patents
- 3,242
- Published applications
- 2,796
- Assignees
- 1,627
- Inventors
- 7,625
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 45 | 0 |
| 1977 | 34 | 0 |
| 1978 | 32 | 0 |
| 1979 | 21 | 0 |
| 1980 | 37 | 0 |
| 1981 | 32 | 0 |
| 1982 | 32 | 0 |
| 1983 | 31 | 0 |
| 1984 | 34 | 0 |
| 1985 | 32 | 0 |
| 1986 | 31 | 0 |
| 1987 | 24 | 0 |
| 1988 | 33 | 0 |
| 1989 | 31 | 0 |
| 1990 | 32 | 0 |
| 1991 | 32 | 0 |
| 1992 | 33 | 0 |
| 1993 | 41 | 0 |
| 1994 | 48 | 0 |
| 1995 | 59 | 0 |
| 1996 | 47 | 0 |
| 1997 | 60 | 0 |
| 1998 | 88 | 0 |
| 1999 | 67 | 0 |
| 2000 | 78 | 0 |
| 2001 | 91 | 45 |
| 2002 | 87 | 140 |
| 2003 | 87 | 118 |
| 2004 | 76 | 131 |
| 2005 | 74 | 115 |
| 2006 | 101 | 96 |
| 2007 | 61 | 126 |
| 2008 | 63 | 95 |
| 2009 | 81 | 103 |
| 2010 | 89 | 135 |
| 2011 | 84 | 111 |
| 2012 | 83 | 90 |
| 2013 | 76 | 90 |
| 2014 | 89 | 117 |
| 2015 | 81 | 165 |
| 2016 | 112 | 131 |
| 2017 | 123 | 105 |
| 2018 | 97 | 91 |
| 2019 | 110 | 93 |
| 2020 | 89 | 91 |
| 2021 | 95 | 128 |
| 2022 | 71 | 98 |
| 2023 | 88 | 116 |
| 2024 | 75 | 106 |
| 2025 | 71 | 98 |
| 2026 | 54 | 62 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 2219/00087With heat exchange elements outside the reactorIndexing code2,106
- B01J 2219/00076With heat exchange elements inside the reactorIndexing code1,037
- B01J 2219/00105Part or all of the reactants being heated or cooled outside theIndexing code541
- B01J 2219/00117With two or more reactions in heat exchange with each other, suchIndexing code174
- B01J 2219/00119Heat exchange inside a feeding nozzle or nozzle reactorIndexing code135
Recent patents
- System for preparing isotope-labeled carbon dioxide and method therefor6 Oct 2026US 12,753,080 B2Institute of Process Engineering, Chinese Academy of Sciences
- Organic carbonisation system and method therefor22 Sep 2026US 12,741,258 B2OCS IP Pty Ltd
- Shell-and-tube heat exchanger, method of exchanging heat and use of heat exchanger22 Sep 2026US 12,741,261 B2Technip Energies France
- Reactor22 Sep 2026US 12,741,263 B2LG Chem.Ltd.
- Reactor and related systems and methods for fuel gas production22 Sep 2026US 12,741,868 B2InnoTech Alberta Inc.
- Bioreactor systems1 Oct 2026US 2026/0295554 A1ABEC, Inc.
- Hydrogen and oxygen generation using detonation waves1 Oct 2026US 2026/0296883 A1Green Constellation Inc.
- Carbon neutral hydrogen production24 Sep 2026US 2026/0285681 A1Saudi Arabian Oil Company
- Comprehensive energy supply system with hydrogen production and prediction function and integrated with hydrogen energy storage by residual flue gas of gas engine24 Sep 2026US 2026/0286916 A1The Architectural Design & Research Institute of Zhejiang University Co., Ltd.
- Apparatus for the production of nitriles and use thereof17 Sep 2026US 2026/0273491 A1Evonik Operations GmbH
Most cited
By later US patents
- Method of controlling pyrolysis temperature529US 4,724,272 ARockwell International Corporation · 1988
- Apparatus and method for producing ethylene polymer516US 5,565,175 APhillips Petroleum Company · 1996
- Electrochemical production of ozone and hydrogen peroxide465US 5,972,196 ALynntech, Inc. · 1999
- Continuous slurry polymerization process and appparatus462US 6,833,415 B2ExxonMobil Chemical Patents Inc. · 2004
- Process for recovery of hydrocarbons and rejection of sand350US 5,316,664 ACanadian Occidental Petroleum Ltd. · 1994