B29B 2017/0289
Washing the materials in liquids
Official title: {Washing the materials in liquids}
B29B2017/0289 (Washing the materials in liquids) appears on 200 US grants and 235 published applications in this corpus.
Search patents in B29B- Granted patents
- 200
- Published applications
- 235
- Assignees
- 144
- Inventors
- 526
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 10 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 4 |
| 2004 | 4 | 5 |
| 2005 | 3 | 5 |
| 2006 | 3 | 3 |
| 2007 | 5 | 2 |
| 2008 | 2 | 2 |
| 2009 | 3 | 6 |
| 2010 | 4 | 6 |
| 2011 | 5 | 4 |
| 2012 | 3 | 5 |
| 2013 | 5 | 7 |
| 2014 | 2 | 10 |
| 2015 | 5 | 11 |
| 2016 | 10 | 3 |
| 2017 | 8 | 8 |
| 2018 | 5 | 10 |
| 2019 | 6 | 18 |
| 2020 | 9 | 16 |
| 2021 | 11 | 9 |
| 2022 | 11 | 13 |
| 2023 | 6 | 18 |
| 2024 | 11 | 21 |
| 2025 | 15 | 25 |
| 2026 | 10 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combined washing/delamination process for multilayer film-containing recycling streams29 Sep 2026US 12,747,331 B2Borealis AG
- Polyester film recovery method, recycled polyester product, recovery device, and functional layer removal agent25 Aug 2026US 12,715,976 B2Mitsubishi Chemical Corporation
- Reducing surface and bulk contamination in plastic9 Jun 2026US 12,649,115 B2The Procter & Gamble Company
- Methods for manufacturing bulked continuous filament from recycled pet9 Jun 2026US 12,649,261 B2Aladdin Manufacturing Corporation
- Oxygen barrier coating as a separation layer coating26 May 2026US 12,636,865 B2Sun Chemical Corporation
- Reducing surface and bulk contamination in plastic24 Sep 2026US 2026/0284550 A1The Procter & Gamble Company
- Method for recycling polyolefin containers10 Sep 2026US 2026/0264293 A1Alpla Werke Alwin Lehner GmbH & Co. KG
- Process for recycling used plastics based on polyethylene using a light hydrocarbon solvent3 Sep 2026US 2026/0257400 A1Ifp Energies Nouvelles
- Processes for producing upgraded post-consumer recycled polyethylene20 Aug 2026US 2026/0242576 A1Dow Global Technologies LLC
- Composite treatment process and composite treatment system for waste plastic bottles30 Jul 2026US 2026/0216921 A1Guangdong Zhengmao Intelligent Manufacturing Technology Co., Ltd.
Most cited
By later US patents
- Apparatus and method for sorting post-consumer articles according to PVC content120US 5,419,438 ASimco/Ramic Corporation · 1995
- Plastics separation and recycling methods73US 4,830,188 ARutgers, The State University · 1989
- Process for recycling plastic container scrap59US 4,379,525 AOwens-Illinois, Inc. · 1983
- Method and apparatus for cleaning and recycling post-consumer plastic films50US 5,540,244 AAdvanced Environmental Recycling Technologies, Inc. · 1996
- Method for recycling all waste plastics in particular mixed plastics48US 8,388,873 B2CVP Clean Value Plastics GmbH · 2013