B01J 4/001
Feed or outlet devices as such
Official title: {Feed or outlet devices as such, e.g. feeding tubes}
B01J4/001 (Feed or outlet devices as such) appears on 1,275 US grants and 1,610 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,275
- Published applications
- 1,610
- Assignees
- 913
- Inventors
- 4,116
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 14 | 0 |
| 1978 | 2 | 0 |
| 1979 | 7 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 10 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 4 |
| 2002 | 7 | 12 |
| 2003 | 7 | 14 |
| 2004 | 11 | 27 |
| 2005 | 16 | 47 |
| 2006 | 18 | 59 |
| 2007 | 13 | 62 |
| 2008 | 30 | 55 |
| 2009 | 42 | 58 |
| 2010 | 33 | 69 |
| 2011 | 39 | 51 |
| 2012 | 37 | 46 |
| 2013 | 52 | 58 |
| 2014 | 36 | 67 |
| 2015 | 61 | 70 |
| 2016 | 54 | 75 |
| 2017 | 51 | 56 |
| 2018 | 65 | 76 |
| 2019 | 61 | 62 |
| 2020 | 76 | 123 |
| 2021 | 83 | 96 |
| 2022 | 72 | 107 |
| 2023 | 87 | 90 |
| 2024 | 60 | 93 |
| 2025 | 76 | 86 |
| 2026 | 36 | 47 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 1-methylcyclopropene generation apparatus29 Sep 2026US 12,746,525 B2Ecoplants Co.,Ltd.
- Device for continuously producing hydrogen from polyester plastics by photocatalytic degradation15 Sep 2026US 12,734,500 B2Tianjin University
- Fluidic seal apparatus for continuous polymerization process25 Aug 2026US 12,715,940 B2Braskem S/A
- Char collector18 Aug 2026US 12,710,174 B2Scanship AS
- Reaction kettle and coating preparation method using reaction kettle28 Jul 2026US 12,691,431 B2Haian Institute of High-Tech Research, Nanjing University
- Method for operating lock hopper and solid movement device24 Sep 2026US 2026/0284620 A1Mitsubishi Heavy Industries, Ltd.
- Horizontal polymerization reactor for producing propylene-based polymer and method for producing propylene-based polymer17 Sep 2026US 2026/0273496 A1Japan Polypropylene Corporation
- Metal phosphide-graphene aerogel catalyst for hydrolysis of ammonia borane, method for preparing the same, and hydrogen production system for hydrolysis of ammonia borane comprising the same10 Sep 2026US 2026/0264069 A1The Hong Kong Polytechnic University
- Systems and methods for dispersion of dry powders20 Aug 2026US 2026/0241361 A1
- Apparatus for production of ammonium nitrate from nitric acid and ammonia13 Aug 2026US 2026/0233190 A1thyssenkrupp AG
Most cited
By later US patents
- Process and apparatus for preparing uniform size polymer beads179US 4,444,961 AThe Dow Chemical Company · 1984
- Gas inlet for a plurality of reactant gases into reaction vessel142US 5,441,703 AAixtron SE · 1995
- Method and apparatus for injection of a liquid waste into a molten bath124US 5,436,210 AMolten Metal Technology, Inc. · 1995
- Method for top-charging solid waste into a molten metal bath115US 5,491,279 AMolten Metal Technology, Inc. · 1996
- Feed processing employing dispersed molten droplets114US 5,744,117 AMolten Metal Technology, Inc. · 1998