B01J 2219/1923
Square or square-derived
Official title: square or square-derived
B01J2219/1923 (Square or square-derived) appears on 123 US grants and 166 published applications in this corpus.
Search patents in B01J- Granted patents
- 123
- Published applications
- 166
- Assignees
- 113
- Inventors
- 470
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 4 |
| 2004 | 3 | 12 |
| 2005 | 2 | 6 |
| 2006 | 3 | 13 |
| 2007 | 8 | 17 |
| 2008 | 5 | 10 |
| 2009 | 9 | 8 |
| 2010 | 13 | 8 |
| 2011 | 5 | 12 |
| 2012 | 10 | 6 |
| 2013 | 6 | 7 |
| 2014 | 4 | 4 |
| 2015 | 5 | 6 |
| 2016 | 2 | 2 |
| 2017 | 6 | 5 |
| 2018 | 5 | 4 |
| 2019 | 3 | 10 |
| 2020 | 8 | 5 |
| 2021 | 7 | 5 |
| 2022 | 2 | 2 |
| 2023 | 3 | 5 |
| 2024 | 3 | 5 |
| 2025 | 2 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Photocatalytic reactor system3 Mar 2026US 12,564,823 B2Syzygy Plasmonics Inc.
- Coated metal oxide materials and method, process, and apparatus for making the same3 Mar 2026US 12,567,585 B2Action Battery Technologies, Inc.
- Complex modality reactor for materials production and synthesis13 May 2025US 12,296,312 B2Lyten, Inc.
- Solid-liquid phase reactor for preparing powder product15 Apr 2025US 12,275,006 B2
- Systems and methods for making ceramic powders23 Jul 2024US 12,043,581 B2Alcoa USA Corp.
- Three-layer nested tube microchannel jet reactor30 Jul 2026US 2026/0216685 A1Shihezi University
- Apparatus and method for propogation reaction of hydrocarbons18 Jun 2026US 2026/0167588 A1PlasMerica, LLC
- Flow synthesis device23 Oct 2025US 2025/0325954 A1Panasonic Intellectual Property Management Co., Ltd.
- Apparatus and method for hydrogen generation19 Jun 2025US 2025/0197209 A1PlasMerica, LLC
- A massive parallel plasma reactor array for gas conversion applications5 Jun 2025US 2025/0177948 A1
Most cited
By later US patents
- Apparatus and method for ultrasonic treatment of a liquid83US 6,506,584 B1Battelle Memorial Institute · 2003
- Partial oxidation reformer36US 6,770,106 B1Daikin Industries, Ltd. · 2004
- Method and apparatus for producing synthesis gas36US 7,686,856 B2Praxair Technology, Inc. · 2010
- Reaction chamber for manufacturing a carbon nanotube, apparatus for manufacturing the carbon nanotube and system for manufacturing the carbon nanotube29US 7,618,599 B2Semes Co., Ltd. · 2009
- Useful energy product27US 7,714,258 B22010