B01J 19/1868
Resulting in a loop-type movement
Official title: {resulting in a loop-type movement}
B01J19/1868 (Resulting in a loop-type movement) appears on 307 US grants and 192 published applications in this corpus.
Search patents in B01J- Granted patents
- 307
- Published applications
- 192
- Assignees
- 204
- Inventors
- 769
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 13 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 5 |
| 2002 | 9 | 8 |
| 2003 | 5 | 8 |
| 2004 | 7 | 9 |
| 2005 | 6 | 7 |
| 2006 | 10 | 4 |
| 2007 | 2 | 11 |
| 2008 | 6 | 7 |
| 2009 | 4 | 5 |
| 2010 | 11 | 7 |
| 2011 | 5 | 7 |
| 2012 | 2 | 3 |
| 2013 | 4 | 7 |
| 2014 | 3 | 9 |
| 2015 | 10 | 6 |
| 2016 | 10 | 10 |
| 2017 | 3 | 7 |
| 2018 | 7 | 12 |
| 2019 | 9 | 8 |
| 2020 | 11 | 11 |
| 2021 | 11 | 10 |
| 2022 | 4 | 8 |
| 2023 | 10 | 9 |
| 2024 | 12 | 9 |
| 2025 | 1 | 3 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reactor22 Sep 2026US 12,741,263 B2LG Chem.Ltd.
- Process for polymerizing molecular-weight controlled polymer8 Sep 2026US 12,729,255 B2Korea Research Institute of Chemical Technology
- Recycling system4 Aug 2026US 12,698,223 B2BYD Company Limited
- Process and apparatus for separation, removal, and purification of solid carbon outcoming from a hydrogen production reactor by methane and/or hydrocarbons cracking with low CO2 emissions23 Jun 2026US 12,661,625 B2KT Tech, Inc.
- Hydrogen production system7 Apr 2026US 12,595,170 B2Mitsubishi Heavy Industries, Ltd.
- Rapid mixing polymerization process6 Aug 2026US 2026/0226210 A1Borealis AG
- Process to produce a melt of urea and biuret and system to produce such a melt2 Jul 2026US 2026/0184674 A1Yara International Asa
- Preparation equipment and process for nylon salt solution20 Nov 2025US 2025/0352965 A1Zhejiang Nhu Company Ltd.
- Improved co2 to co conversion method and system30 Oct 2025US 2025/0333313 A1
- Urea production process and plant16 Jan 2025US 2025/0019343 A1Casale SA
Most cited
By later US patents
- Method for producing polylactic acid88US 5,770,682 AShimadzu Corporation · 1998
- Gas-liquid mixing80US 4,900,480 AUnion Carbide Corporation · 1990
- Polyester process using a pipe reactor76US 6,861,494 B2Eastman Chemical Company · 2005
- Process for preparing polybutenes having enhanced reactivity using boron trifluoride catalysts (PT-647)69US 4,849,572 AExxon Chemical Patents Inc. · 1989
- Process for the production of plasticizer and polyolesters68US 5,324,853 AExxon Chemical Patents Inc. · 1994