B29C 39/20
Making multilayered or multicoloured articles
Official title: Making multilayered or multicoloured articles {(B29C39/142 takes precedence)}
B29C39/20 (Making multilayered or multicoloured articles) appears on 72 US grants and 73 published applications in this corpus.
Search patents in B29C- Granted patents
- 72
- Published applications
- 73
- Assignees
- 50
- Inventors
- 153
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 2 |
| 2002 | 0 | 1 |
| 2003 | 5 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 0 | 3 |
| 2007 | 0 | 5 |
| 2008 | 1 | 1 |
| 2009 | 1 | 6 |
| 2010 | 6 | 4 |
| 2011 | 4 | 2 |
| 2012 | 0 | 1 |
| 2013 | 2 | 4 |
| 2014 | 3 | 5 |
| 2015 | 4 | 3 |
| 2016 | 2 | 3 |
| 2017 | 5 | 6 |
| 2018 | 4 | 4 |
| 2019 | 6 | 5 |
| 2020 | 3 | 5 |
| 2021 | 3 | 2 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 3 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Planar composite material2 Dec 2025US 12,485,643 B2Quadrant Plastic Composites AG
- Conductive member, touch panel sensor, touch panel, and method for manufacturing molded article12 Jul 2022US 11,385,745 B2FUJIFILM Corporation
- Concentrated aqueous silk fibroin solution and use thereof28 Sep 2021US 11,129,921 B2Trustees of Tufts College
- Method and apparatus for manufacturing membrane electrode assembly10 Aug 2021US 11,088,378 B2Honda Motor Co., Ltd.
- Stone-plastic hot pressing flooring and manufacturing method thereof6 Apr 2021US 10,968,640 B2Zhejiang Kingdom Plastics Industry Co., Ltd.
- Apparatus and method for making moulded products26 Mar 2026US 2026/0084392 A1Sacmi Cooperativa Meccanici Imola Societa' Cooperativa
- Pure Layered Stretch Film Produced Using Single Pass Extrusion Resins23 May 2024US 2024/0165857 A1Paragon Films, Inc.
- Compatibilizer, recycling agent, and compatibilization method22 Feb 2024US 2024/0059814 A1MCPP Innovation LLC
- Polymer composition and molded article thereof8 Feb 2024US 2024/0042657 A1Mitsubishi Chemical Corporation
- Concentrated aqueous silk fibroin solution and use thereof24 Feb 2022US 2022/0054704 A1Trustees of Tufts College
Most cited
By later US patents
- Sealing stopper for a syringe and a prefilled syringe209US 6,090,081 ADaikyo Seiko, Ltd. · 2000
- Method for making paper web having both bulk and smoothness157US 5,814,190 AThe Procter & Gamble Company · 1998
- Concentrated aqueous silk fibroin solution and use thereof139US 7,635,755 B2Trustees of Tufts College · 2009
- Paper web having both bulk and smoothness101US 6,200,419 B1The Procter & Gamble Company · 2001
- Method of applying a curable resin to a substrate for use in papermaking97US 5,629,052 AThe Procter & Gamble Company · 1997