B29B
Preparation or pretreatment of the material to be shaped
Official title: Preparation or pretreatment of the material to be shaped; making granules or preforms; recovery of plastics or other constituents of waste material containing plastics
B29B (Preparation or pretreatment of the material to be shaped) appears on 13,672 US grants and 13,528 published applications in this corpus.
Search patents in B29B- Granted patents
- 13,672
- Published applications
- 13,528
- Assignees
- 5,858
- Inventors
- 27,801
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 137 | 0 |
| 1977 | 141 | 0 |
| 1978 | 142 | 0 |
| 1979 | 99 | 0 |
| 1980 | 125 | 0 |
| 1981 | 135 | 0 |
| 1982 | 101 | 0 |
| 1983 | 116 | 0 |
| 1984 | 148 | 0 |
| 1985 | 138 | 0 |
| 1986 | 127 | 0 |
| 1987 | 134 | 0 |
| 1988 | 148 | 0 |
| 1989 | 169 | 0 |
| 1990 | 187 | 0 |
| 1991 | 192 | 0 |
| 1992 | 237 | 0 |
| 1993 | 235 | 0 |
| 1994 | 239 | 0 |
| 1995 | 225 | 0 |
| 1996 | 234 | 0 |
| 1997 | 243 | 0 |
| 1998 | 283 | 0 |
| 1999 | 279 | 0 |
| 2000 | 253 | 0 |
| 2001 | 260 | 82 |
| 2002 | 245 | 289 |
| 2003 | 245 | 295 |
| 2004 | 213 | 315 |
| 2005 | 151 | 335 |
| 2006 | 184 | 336 |
| 2007 | 176 | 313 |
| 2008 | 144 | 336 |
| 2009 | 160 | 391 |
| 2010 | 201 | 440 |
| 2011 | 238 | 450 |
| 2012 | 272 | 506 |
| 2013 | 282 | 540 |
| 2014 | 334 | 588 |
| 2015 | 439 | 697 |
| 2016 | 428 | 711 |
| 2017 | 506 | 808 |
| 2018 | 504 | 732 |
| 2019 | 599 | 751 |
| 2020 | 602 | 780 |
| 2021 | 555 | 733 |
| 2022 | 546 | 753 |
| 2023 | 530 | 644 |
| 2024 | 559 | 729 |
| 2025 | 527 | 556 |
| 2026 | 305 | 418 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B29B 7/00Mixing4,890
- B29B 17/00Recovery of plastics or other constituents of waste material containing plastics2,980
- B29B 9/00Making granules2,889
- B29B 11/00Making preforms1,966
- B29B 13/00Conditioning or physical treatment of the material to be shaped1,917
- B29B 15/00Pretreatment of the material to be shaped, not covered by groups b29b7/001,372
Recent patents
- Biaxially oriented thermoplastic pipette, and method and apparatus for forming same6 Oct 2026US 12,752,266 B2Corning Incorporated
- Molding material, molded article, and production method for molding material6 Oct 2026US 12,752,321 B2Glencal Technology Co., Ltd.
- Thermoplastic resin composition, method of preparing the same, and molded article manufactured using the same6 Oct 2026US 12,753,299 B2LG Chem.Ltd.
- Resin drying systems with capability to continuously supply dried resin6 Oct 2026US 12,753,971 B2
- Efficient material recovery facility29 Sep 2026US 12,746,581 B2AMP Robotics Corporation
- Silicate Fiber Polymer Composite8 Oct 2026US 2026/0307297 A1Tundra Composites, LLC
- Modular Storage Device and Filament Outlet8 Oct 2026US 2026/0307331 A1FabNotion Limited
- Support element for the human body comprising a recycled material and method for its production8 Oct 2026US 2026/0307752 A1Selle Royal Group S.P.A.
- Systems and methods of manufacturing a biodegradable composite material1 Oct 2026US 2026/0295902 A1
- Methods for preparing fiber-containing particles with recycled reinforcing fibers1 Oct 2026US 2026/0295903 A1Vartega Inc.
Most cited
By later US patents
- Process for crosslinking444US 5,346,961 AUnion Carbide Chemicals & Plastics Technology Corporation · 1994
- Very low temperature casting of controlled release microspheres443US 5,019,400 AEnzytech, Inc. · 1991
- Extruded orally administrable opioid formulations380US 5,958,452 AEuro-Celtique S. A. · 1999
- Process and apparatus for creating a colorful three-dimensional object372US 6,129,872 A2000
- Extruded multi-particulates364US 5,965,161 AEuro-Celtique S. A. · 1999