B01J 19/1812
Tubular reactors
Official title: {Tubular reactors}
B01J19/1812 (Tubular reactors) appears on 486 US grants and 582 published applications in this corpus.
Search patents in B01J- Granted patents
- 486
- Published applications
- 582
- Assignees
- 307
- Inventors
- 1,185
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 8 | 5 |
| 2002 | 8 | 6 |
| 2003 | 4 | 20 |
| 2004 | 7 | 17 |
| 2005 | 11 | 20 |
| 2006 | 8 | 12 |
| 2007 | 4 | 21 |
| 2008 | 9 | 13 |
| 2009 | 13 | 15 |
| 2010 | 17 | 32 |
| 2011 | 20 | 28 |
| 2012 | 17 | 17 |
| 2013 | 19 | 27 |
| 2014 | 24 | 39 |
| 2015 | 25 | 26 |
| 2016 | 29 | 25 |
| 2017 | 25 | 28 |
| 2018 | 18 | 26 |
| 2019 | 27 | 30 |
| 2020 | 34 | 42 |
| 2021 | 34 | 33 |
| 2022 | 21 | 34 |
| 2023 | 24 | 26 |
| 2024 | 14 | 15 |
| 2025 | 17 | 13 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of producing carbonyl compound and flow type reaction system of producing carbonyl compound23 Jun 2026US 12,662,447 B2FUJIFILM Corporation
- Device and method for preparing sucrose-6-ester9 Jun 2026US 12,649,759 B2Anhui Jinhe Industrial Co., Ltd.
- Polymerization process and reactor for controlling molecular weight distribution and comonomer composition distribution28 Apr 2026US 12,611,646 B2Borealis AG
- Loop slurry reactor cooling processes and systems14 Apr 2026US 12,599,887 B2Chevron Phillips Chemical Company LP
- Systems and techniques for heating polymer reactor flashlines24 Mar 2026US 12,583,946 B2Chevron Phillips Chemical Company LP
- Systems and methods for producing chlorine dioxide8 Oct 2026US 2026/0307990 A1ChemE Solutions Process Engineering Inc.
- Universal Construction for Storing, Pumping, Mixing, Diffusing, Reacting, and Separating Fluids24 Sep 2026US 2026/0284614 A1
- Method for producing lithium sulfide in a circulating bed reactor17 Sep 2026US 2026/0274667 A1Eurecat S. A.
- Rapid mixing polymerization process6 Aug 2026US 2026/0226210 A1Borealis AG
- Method for producing polymer, polymer production device, and system for optimizing radical polymerization reaction6 Aug 2026US 2026/0226213 A1Jsr Corporation
Most cited
By later US patents
- High solids slurry polymerization532US 6,239,235 B1Phillips Petroleum Company · 2001
- Process and apparatus for separating diluents from solid polymers utilizing a two-stage flash and a cyclone separator494US 5,575,979 APhillips Petroleum Company · 1996
- Diluent slip stream to give catalyst wetting agent491US 6,262,191 B1Phillips Petroleum Company · 2001
- Continuous slurry polymerization process and appparatus462US 6,833,415 B2ExxonMobil Chemical Patents Inc. · 2004
- Loop reactor settling leg system for separation of solid polymers and liquid diluent153US 4,613,484 APhillips Petroleum Company · 1986