B01J 2219/00049
Controlling or regulating processes
B01J2219/00049 (Controlling or regulating processes) appears on 6,533 US grants and 6,346 published applications in this corpus.
Search patents in B01J- Granted patents
- 6,533
- Published applications
- 6,346
- Assignees
- 2,964
- Inventors
- 15,515
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 53 | 0 |
| 1977 | 54 | 0 |
| 1978 | 44 | 0 |
| 1979 | 32 | 0 |
| 1980 | 61 | 0 |
| 1981 | 49 | 0 |
| 1982 | 51 | 0 |
| 1983 | 45 | 0 |
| 1984 | 55 | 0 |
| 1985 | 42 | 0 |
| 1986 | 48 | 0 |
| 1987 | 42 | 0 |
| 1988 | 52 | 0 |
| 1989 | 58 | 0 |
| 1990 | 57 | 0 |
| 1991 | 61 | 0 |
| 1992 | 71 | 0 |
| 1993 | 73 | 0 |
| 1994 | 78 | 0 |
| 1995 | 101 | 0 |
| 1996 | 86 | 0 |
| 1997 | 123 | 0 |
| 1998 | 135 | 0 |
| 1999 | 120 | 0 |
| 2000 | 136 | 0 |
| 2001 | 156 | 76 |
| 2002 | 154 | 239 |
| 2003 | 150 | 257 |
| 2004 | 148 | 270 |
| 2005 | 155 | 225 |
| 2006 | 187 | 232 |
| 2007 | 130 | 250 |
| 2008 | 123 | 197 |
| 2009 | 149 | 205 |
| 2010 | 188 | 257 |
| 2011 | 169 | 217 |
| 2012 | 162 | 186 |
| 2013 | 155 | 177 |
| 2014 | 177 | 245 |
| 2015 | 183 | 355 |
| 2016 | 232 | 289 |
| 2017 | 261 | 229 |
| 2018 | 213 | 265 |
| 2019 | 261 | 252 |
| 2020 | 222 | 282 |
| 2021 | 226 | 317 |
| 2022 | 199 | 336 |
| 2023 | 257 | 298 |
| 2024 | 211 | 262 |
| 2025 | 202 | 255 |
| 2026 | 136 | 173 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 2219/00051Controlling the temperatureIndexing code4,857
- B01J 2219/00164Controlling the flowIndexing code1,325
- B01J 2219/00162Controlling the pressureIndexing code1,112
- B01J 2219/00245Avoiding undesirable reactions or side-effectsIndexing code895
- B01J 2219/00191Control algorithmIndexing code679
- B01J 2219/00186Controlling the composition of the reactive mixtureIndexing code425
- B01J 2219/00182Controlling the level of reactants in the reactor vesselIndexing code277
- B01J 2219/00177Controlling the phIndexing code221
All 14 subgroupsShow fewer
- B01J 2219/00168Controlling the viscosityIndexing code155
- B01J 2219/00189Controlling the stirring velocityIndexing code147
- B01J 2219/00171Controlling the densityIndexing code103
- B01J 2219/00184Controlling the weight of reactants in the reactor vesselIndexing code103
- B01J 2219/00243Mathematical modellingIndexing code103
- B01J 2219/0018Controlling the conductivityIndexing code80
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
- Autonomous modular flare gas conversion systems and methods6 Oct 2026US 12,753,138 B2M2X Energy Inc.
- Data feature extraction method and related apparatus29 Sep 2026US 12,748,975 B2Huawei Technologies Co., Ltd.
- Organic carbonisation system and method therefor22 Sep 2026US 12,741,258 B2OCS IP Pty Ltd
- Electrically heated apparatus22 Sep 2026US 12,741,259 B2Shell USA, Inc.
- Hydrogen generation apparatus8 Oct 2026US 2026/0307037 A1
- Micro-scale chemical network system and method for real-time sensing and manipulating intermediate compounding process in dye chemistry8 Oct 2026US 2026/0307038 A1Tongji University
- Autonomous Modular Flare Gas Conversion Systems and Methods8 Oct 2026US 2026/0308093 A1M2X Energy Inc.
- Sugar liquid production system1 Oct 2026US 2026/0295551 A1Seiko Epson Corporation
- Bioreactor systems1 Oct 2026US 2026/0295554 A1ABEC, Inc.
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
- Apparatus for decomposition of chemical compounds385US 5,720,927 AMotorola, Inc. · 1998