B01J 4/008
Feed or outlet control devices
Official title: {Feed or outlet control devices}
B01J4/008 (Feed or outlet control devices) appears on 369 US grants and 400 published applications in this corpus.
Search patents in B01J- Granted patents
- 369
- Published applications
- 400
- Assignees
- 305
- Inventors
- 1,147
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 9 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 4 | 6 |
| 2003 | 3 | 11 |
| 2004 | 6 | 4 |
| 2005 | 0 | 8 |
| 2006 | 2 | 5 |
| 2007 | 1 | 4 |
| 2008 | 6 | 4 |
| 2009 | 1 | 8 |
| 2010 | 4 | 12 |
| 2011 | 4 | 9 |
| 2012 | 11 | 6 |
| 2013 | 3 | 9 |
| 2014 | 5 | 14 |
| 2015 | 22 | 25 |
| 2016 | 11 | 11 |
| 2017 | 9 | 10 |
| 2018 | 18 | 27 |
| 2019 | 13 | 29 |
| 2020 | 27 | 37 |
| 2021 | 33 | 40 |
| 2022 | 18 | 37 |
| 2023 | 30 | 29 |
| 2024 | 26 | 17 |
| 2025 | 16 | 18 |
| 2026 | 14 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polyolefin production apparatus and polyolefin production method18 Aug 2026US 12,708,889 B2Sumitomo Chemical Company, Limited
- Apparatus for the synthesis of oligonucleotides and process for the preparation thereof21 Jul 2026US 12,685,987 B2Bachem AG
- Use of renewable energy in methanol synthesis14 Jul 2026US 12,678,760 B2Sabic Global Technologies B.V.
- Systems and methods for feeding inlet materials to a process system19 May 2026US 12,629,649 B2Saravanos Process++ Srl
- Feed supply unit12 May 2026US 12,623,196 B2BASF SE
- Method for controlling a heat-consuming hydrocarbon conversion process13 Aug 2026US 2026/0233185 A1Base SE
- Systems and methods for high reactant conversion through multiple reactant flow ratio staging30 Jul 2026US 2026/0216789 A1Ohio State Innovation Foundation
- Multi-port gas injection system and reactor system including same23 Jul 2026US 2026/0209944 A1ASM IP Holding B. V.
- Initiator Injection Line for High Pressure Polymerization16 Jul 2026US 2026/0199863 A1
- Systems, Methods and Apparatus for Gas Contamination Migration Management21 May 2026US 2026/0138105 A1Matheson Tri-Gas, Inc.
Most cited
By later US patents
- Vapor mass flow control system702US 4,436,674 AJ. C. Schumacher Co. · 1984
- Vapor mass flow control system629US 4,393,013 AJ. C. Schumacher Co. · 1983
- High solids slurry polymerization532US 6,239,235 B1Phillips Petroleum Company · 2001
- Discharge system for a reactor, and process system provided with a discharge system of this kind344US 6,132,207 AASM International N.V. · 2000
- Vapor delivery control system and method130US 4,276,243 AWestern Electric Company, Inc. · 1981