B29K 2025/04
Polymers of styrene
Official title: {Polymers of styrene}
B29K2025/04 (Polymers of styrene) appears on 540 US grants and 861 published applications in this corpus.
Search patents in B29K- Granted patents
- 540
- Published applications
- 861
- Assignees
- 462
- Inventors
- 1,796
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 2 |
| 2002 | 2 | 0 |
| 2003 | 2 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 6 |
| 2010 | 2 | 6 |
| 2011 | 2 | 8 |
| 2012 | 4 | 16 |
| 2013 | 5 | 32 |
| 2014 | 11 | 35 |
| 2015 | 15 | 78 |
| 2016 | 32 | 111 |
| 2017 | 48 | 67 |
| 2018 | 70 | 74 |
| 2019 | 64 | 74 |
| 2020 | 46 | 57 |
| 2021 | 42 | 55 |
| 2022 | 32 | 54 |
| 2023 | 45 | 42 |
| 2024 | 35 | 65 |
| 2025 | 39 | 38 |
| 2026 | 21 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hair fasteners and methods of manufacture thereof22 Sep 2026US 12,740,629 B2Tung Hing Plastic Manufactory Ltd.
- System and process for converting waste plastic into a usable product22 Sep 2026US 12,742,052 B2
- Composite resin composition for automobile interior materials and automobile interior material manufactured using the same11 Aug 2026US 12,703,792 B2LG Chem.Ltd.
- Process for preparing layered foamed polymeric materials4 Aug 2026US 12,697,755 B2MATERIAS S.r.l.
- Decorative panel and method for manufacturing a decorative panel4 Aug 2026US 12,697,836 B2Unilin BV
- Additive production device and associated additive production method8 Oct 2026US 2026/0307327 A1EOS GmbH Electro Optical Systems
- Decorative panel and method for manufacturing a decorative panel1 Oct 2026US 2026/0296093 A1Unilin BV
- Stretchable film24 Sep 2026US 2026/0284950 A1C. I. TAKIRON Corporation
- Method and system for obtaining a purified plastic material from a mixed waste material stream10 Sep 2026US 2026/0264294 A1Tomra Sorting GmbH
- A method of manufacturing a polyurethane (pu)- expanded polystyrene (eps) hybrid material surfboard10 Sep 2026US 2026/0264297 A1
Most cited
By later US patents
- Method for the production of molded bodies from polymer foam particles985US 6,358,459 B1Fraunhofer-Gesellschaft zur Forderung der Angewandten ForschungE.V. · 2002
- Thermally insulated VIP sandwich shipper and method of making same244US 9,272,475 B2Sonoco Development, Inc. · 2016
- Methods for fiber reinforced additive manufacturing188US 9,370,896 B2Markforged, Inc. · 2016
- Methods for fiber reinforced additive manufacturing170US 9,694,544 B2Markforged, Inc. · 2017
- 3-D printed packaging164US 9,994,339 B22018