B29B 2017/0217
Mechanical separating techniques
Official title: {Mechanical separating techniques; devices therefor}
B29B2017/0217 (Mechanical separating techniques) appears on 658 US grants and 754 published applications in this corpus.
Search patents in B29B- Granted patents
- 658
- Published applications
- 754
- Assignees
- 494
- Inventors
- 1,570
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 22 | 0 |
| 1994 | 17 | 0 |
| 1995 | 11 | 0 |
| 1996 | 12 | 0 |
| 1997 | 13 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 13 | 0 |
| 2001 | 8 | 1 |
| 2002 | 9 | 18 |
| 2003 | 17 | 11 |
| 2004 | 7 | 23 |
| 2005 | 11 | 14 |
| 2006 | 11 | 23 |
| 2007 | 13 | 12 |
| 2008 | 12 | 15 |
| 2009 | 9 | 16 |
| 2010 | 13 | 12 |
| 2011 | 16 | 18 |
| 2012 | 16 | 21 |
| 2013 | 18 | 28 |
| 2014 | 15 | 25 |
| 2015 | 24 | 25 |
| 2016 | 15 | 20 |
| 2017 | 20 | 25 |
| 2018 | 13 | 16 |
| 2019 | 24 | 33 |
| 2020 | 25 | 37 |
| 2021 | 18 | 39 |
| 2022 | 27 | 53 |
| 2023 | 32 | 61 |
| 2024 | 42 | 76 |
| 2025 | 44 | 74 |
| 2026 | 23 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29B 2017/0224Screens, sievesIndexing code299
- B29B 2017/0237Using density differenceIndexing code247
- B29B 2017/0231Centrifugating, cyclonesIndexing code107
- B29B 2017/0234Using gravityIndexing code67
- B29B 2017/0227Vibratory or shaking tablesIndexing code42
- B29B 2017/0251Hydropulping for converting the material under the influence of water into aIndexing code34
- B29B 2017/022Grippers, hooks, piercing needles, fingersIndexing code25
- B29B 2017/0248Froth flotation, i.e. wherein gas bubbles are attached to suspended particles inIndexing code25
Recent patents
- Recycled polymers for 3D printing25 Aug 2026US 12,715,974 B2Impossible Objects, Inc.
- Label removing machine11 Aug 2026US 12,703,016 B2Zhejiang Boretech Environmental Engineering Co., Ltd.
- Heating apparatus and anti-ignition re-useable bladder28 Jul 2026US 12,691,609 B2
- Mechanical polyolefin recycling process28 Jul 2026US 12,691,623 B2Borealis AG
- Waste plastic density separation14 Jul 2026US 12,678,840 B2Eastman Chemical Company
- Coating film removing device and coating film removing method1 Oct 2026US 2026/0295928 A1Toray Industries, Inc.
- Color getters for color removal in solvent-based plastic recycling1 Oct 2026US 2026/0297281 A1Wisconsin Alumni Research Foundation
- Preparation Method of Recycled Plastic17 Sep 2026US 2026/0273801 A1LG Chem.Ltd.
- Process for treating waste materials having a low softening temperature with kinetic pulverization17 Sep 2026US 2026/0273803 A1Torxx Kinetic Pulverizer Limited
- Decomposition method for polyester-based resin and decomposition apparatus for polyester-based resin17 Sep 2026US 2026/0275071 A1Nitto Denko Corporation
Most cited
By later US patents
- Carpet and techniques for making and recycling same113US 5,240,530 ATennessee Valley Performance Products, Inc. · 1993
- Recycling system100US 5,143,308 APlastic Recycling Alliance, LP · 1992
- Process for reclaiming thermally strained polyester scrap material95US 5,225,130 AHoechst Aktiengesellschaft · 1993
- Carpet recycling process and system85US 5,535,945 ABASF SE · 1996
- Plastics separation and recycling methods73US 4,830,188 ARutgers, The State University · 1989