B01J 8/1809
Controlling processes
Official title: {Controlling processes}
B01J8/1809 (Controlling processes) appears on 509 US grants and 387 published applications in this corpus.
Search patents in B01J- Granted patents
- 509
- Published applications
- 387
- Assignees
- 264
- Inventors
- 1,203
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 11 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 14 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 12 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 7 | 2 |
| 2002 | 16 | 9 |
| 2003 | 7 | 10 |
| 2004 | 6 | 18 |
| 2005 | 11 | 8 |
| 2006 | 10 | 15 |
| 2007 | 9 | 13 |
| 2008 | 6 | 7 |
| 2009 | 5 | 9 |
| 2010 | 13 | 17 |
| 2011 | 8 | 21 |
| 2012 | 14 | 12 |
| 2013 | 11 | 11 |
| 2014 | 19 | 19 |
| 2015 | 11 | 23 |
| 2016 | 18 | 14 |
| 2017 | 20 | 14 |
| 2018 | 12 | 18 |
| 2019 | 21 | 14 |
| 2020 | 22 | 27 |
| 2021 | 21 | 24 |
| 2022 | 14 | 16 |
| 2023 | 19 | 33 |
| 2024 | 27 | 19 |
| 2025 | 12 | 9 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual reactor system with dual catalyst regeneration for upgrading plastic derived oil to hydrocarbon intermediates25 Aug 2026US 12,716,033 B2Saudi Arabian Oil Company
- Nitro compound hydrogenation reaction process and hydrogenation reaction apparatus28 Jul 2026US 12,692,219 B2China Petroleum & Chemical Corporation
- Fluidization measurement system16 Jun 2026US 12,654,146 B2ExxonMobil Technology and Engineering Company
- Processes for venting olefin polymerization systems16 Jun 2026US 12,655,235 B2ExxonMobil Chemical Patents Inc.
- Process of converting methanol to olefins24 Mar 2026US 12,583,804 B2China Petroleum & Chemical Corporation
- Method to protect catalyst in a catalyst-containing structure for removal from a reactor9 Jul 2026US 2026/0192271 A1Saudi Arabian Oil Company
- Decreasing triboelectric charging of, and/or reactor fouling by, polyolefin particles9 Apr 2026US 2026/0097377 A1Univation Technologies, LLC
- Self-heat-balanced hsfcc systems and processes for upgrading hydrocarbon feeds19 Mar 2026US 2026/0078309 A1Saudi Arabian Oil Company
- Actively cooled screw feeder for gasification reactors19 Mar 2026US 2026/0078311 A1Aries Clean Technologies LLC
- Device for the Detection of Incipient Sheeting in a Gas Phase Reactor19 Feb 2026US 2026/0048374 A1
Most cited
By later US patents
- Method for fluidized bed polymerization848US 4,588,790 AUnion Carbide Corporation · 1986
- Fluidized bed reaction systems522US 4,543,399 AUnion Carbide Corporation · 1985
- Process for polymerizing monomers in fluidized beds327US 5,405,922 AExxon Chemical Patents Inc. · 1995
- Process for polymerizing monomers in fluidized beds279US 5,462,999 AExxon Chemical Patents Inc. · 1995
- Polymerization process184US 5,541,270 ABP Chemicals Limited · 1996