B29B 2017/0234
Using gravity
Official title: {using gravity, e.g. separating by weight differences in a wind sifter}
B29B2017/0234 (Using gravity) appears on 67 US grants and 72 published applications in this corpus.
Search patents in B29B- Granted patents
- 67
- Published applications
- 72
- Assignees
- 56
- Inventors
- 175
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 4 |
| 2003 | 2 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 3 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 4 | 4 |
| 2016 | 2 | 2 |
| 2017 | 3 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 6 |
| 2020 | 5 | 2 |
| 2021 | 2 | 5 |
| 2022 | 2 | 1 |
| 2023 | 4 | 7 |
| 2024 | 6 | 11 |
| 2025 | 6 | 12 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Plastic recycling method for processing plastic waste5 May 2026US 12,617,127 B2GRANNEX GmbH & Co. KG
- Process for recycling polyethylene terephthalate determined by intrinsic viscosity of polyethylene terephthalate16 Dec 2025US 12,496,749 B2Revalyu Resources GmbH
- Method for separating fibers and method for producing modacrylic fiber, polyvinyl chloride fiber and polyester fiber14 Oct 2025US 12,442,110 B2Kaneka Corporation
- Resin recovery method23 Sep 2025US 12,420,454 B2Honda Motor Co., Ltd.
- Process for the production of particle board or wood fiber board10 Jun 2025US 12,325,148 B2Unilin BV
- Method for the separation and recovery of plastics and contaminants through multi-stage separation process13 Aug 2026US 2026/0233268 A1
- Recyclate polyethylene composition with improved mechanical and optical properties30 Jul 2026US 2026/0217956 A1Borealis AG
- Sorting system, sorting method, and non-transitory computer readable medium25 Jun 2026US 2026/0175261 A1Toyota Jidosha Kabushiki Kaisha
- Process for recycling polyethylene terephthalate determined by intrinsic viscosity of polyethylene terephthalate4 Jun 2026US 2026/0151937 A1Revalyu Resources GmbH
- Method and System of Separating Plastics Using a Covered Screen Bed19 Feb 2026US 2026/0048530 A1
Most cited
By later US patents
- Carpet and techniques for making and recycling same113US 5,240,530 ATennessee Valley Performance Products, Inc. · 1993
- Materials size reduction systems and process73US 6,045,070 A2000
- Method of recycling carpet forming components from waste carpet53US 5,518,188 AJPS Automotive Products Corp. · 1996
- Carpet and techniques for making and recycling same48US 5,288,349 ATennessee Valley Performance Products, Inc. · 1994
- Recovery of mixed plastic materials42US 4,067,826 A1978