B01J 4/02
Feed or outlet devices: for feeding measured , i.e. prescribed quantities of
Official title: for feeding measured {, i.e. prescribed} quantities of reagents
B01J4/02 (Feed or outlet devices: for feeding measured , i.e. prescribed quantities of) appears on 288 US grants and 267 published applications in this corpus.
Search patents in B01J- Granted patents
- 288
- Published applications
- 267
- Assignees
- 246
- Inventors
- 860
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 8 |
| 2003 | 6 | 9 |
| 2004 | 4 | 8 |
| 2005 | 1 | 9 |
| 2006 | 10 | 16 |
| 2007 | 8 | 15 |
| 2008 | 5 | 2 |
| 2009 | 3 | 7 |
| 2010 | 2 | 5 |
| 2011 | 2 | 9 |
| 2012 | 10 | 3 |
| 2013 | 2 | 6 |
| 2014 | 5 | 8 |
| 2015 | 5 | 12 |
| 2016 | 9 | 10 |
| 2017 | 9 | 10 |
| 2018 | 11 | 15 |
| 2019 | 12 | 13 |
| 2020 | 10 | 24 |
| 2021 | 13 | 20 |
| 2022 | 15 | 12 |
| 2023 | 22 | 16 |
| 2024 | 9 | 15 |
| 2025 | 7 | 12 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Methods and compositions for delivery of carbon dioxide13 Jan 2026US 12,521,908 B2Carboncure Technologies Inc.
- Distance measuring device and method for measuring distance13 Jan 2026US 12,523,640 B2Nippon Shokubai Co., Ltd.
- Decreasing triboelectric charging of, and/or reactor fouling by, polyolefin particles9 Apr 2026US 2026/0097377 A1Univation Technologies, LLC
- Methods for Regulating Reactor Catalyst Flow Distribution During Olefin Polymerization5 Feb 2026US 2026/0034528 A1
- Reaction system and cleaning method27 Nov 2025US 2025/0360477 A1The Japan Steel Works, Ltd.
- Separation and purification module and automated material reaction system including the same11 Sep 2025US 2025/0281891 A1Samsung Electronics Co., Ltd.
- Device and method for producing solid particles21 Aug 2025US 2025/0262604 A1hte GmbH the high throughput experimentation company
Most cited
By later US patents
- Methods for fabricating microarrays of biological samples867US 5,807,522 AThe Board of Trustees of the Leland Stanford Junior University · 1998
- Method and system for inhibiting cross-contamination in fluids of combinatorial chemistry device491US 5,603,351 ADavid Sarnoff Research Center, Inc. · 1997
- Liquid distribution system425US 5,846,396 ASarnoff Corporation · 1998
- Apparatus and methods for controlling fluid flow in microchannels350US 5,632,876 ADavid Sarnoff Research Center, Inc. · 1997
- Integrated delivery system for chemical vapor from non-gaseous sources for semiconductor processing320US 5,252,134 A1993