D06B 23/20
Arrangements of apparatus for treating processing-liquids, -gases or -vapours
Official title: Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
D06B23/20 (Arrangements of apparatus for treating processing-liquids, -gases or -vapours) appears on 153 US grants and 105 published applications in this corpus.
Search patents in D06B- Granted patents
- 153
- Published applications
- 105
- Assignees
- 125
- Inventors
- 373
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 2 |
| 2002 | 2 | 4 |
| 2003 | 6 | 2 |
| 2004 | 4 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 5 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 2 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 0 | 4 |
| 2017 | 3 | 4 |
| 2018 | 2 | 14 |
| 2019 | 7 | 6 |
| 2020 | 7 | 6 |
| 2021 | 7 | 5 |
| 2022 | 2 | 9 |
| 2023 | 2 | 8 |
| 2024 | 6 | 7 |
| 2025 | 10 | 7 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for surface treatment of nonwoven materials15 Sep 2026US 12,735,822 B2Hempitecture, Inc.
- Fabric processing device23 Dec 2025US 12,503,800 B2Seiko Epson Corporation
- Multi-section apparatus for dyeing, in an inert environment, of fabrics and yarns, with indigo and other reduction dyes2 Sep 2025US 12,404,617 B2Master S.R.L.
- Water washing device for carbon fiber filament and method of water washing12 Aug 2025US 12,385,164 B2Formosa Plastics Corporation
- Method and integrated system for non-aqueous solvent medium (NASM) dyeing of multiple forms of synthetic, natural and blended textiles12 Aug 2025US 12,385,183 B2The Hong Kong Research Institute of Textiles and Apparel Limited
- Gel felt production system16 Apr 2026US 2026/0103837 A1Gongyi Van-Research Innovation Composite Materials Co., Ltd.
- Waterless yarn dyeing system, yarn separation equipment thereof, and dyeing equipment thereof5 Feb 2026US 2026/0035848 A1
- Process for dyeing textiles22 Jan 2026US 2026/0022515 A2Rijksuniversiteit Groningen
- Apparatus for treatment of textiles and use thereof27 Nov 2025US 2025/0361663 A1Textile Change Aps
- Method and Integrated System for Non-aqueous Solvent Medium (NASM) Dyeing of Multiple Forms of Synthetic, Natural and Blended Textiles20 Nov 2025US 2025/0354330 A1The Hong Kong Research Institute of Textiles and Apparel Limited
Most cited
By later US patents
- On-line color monitoring and control system and method40US 6,130,752 APrisma Fibers, Inc. · 2000
- Apparatus for applying a foamed treating medium to a substrate28US 4,444,104 A1984
- Chemical foaming machine and mixing apparatus27US 5,851,291 A1998
- Closed cycle apparatus for the rapid, continuous and waterless dyeing of textile and plastic materials25US 4,055,971 AMartin Processing, Inc. · 1977
- Methods, systems and compositions for fire retarding substrates19US 7,211,293 B2Gaston International, Inc. · 2007