B29C 45/1858
Changing the kind or the source of material
Official title: {Changing the kind or the source of material, e.g. using a plurality of hoppers}
B29C45/1858 (Changing the kind or the source of material) appears on 13 US grants and 7 published applications in this corpus.
Search patents in B29C- Granted patents
- 13
- Published applications
- 7
- Assignees
- 6
- Inventors
- 23
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 3 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Injection molding tool and method for the production thereof, and method for producing marbled molded parts14 Oct 2025US 12,441,038 B2BASF SE
- Method and device for producing marbled molded parts and method for producing the device14 Oct 2025US 12,441,039 B2BASF SE
- Resin supply systems19 Apr 2022US 11,305,471 B2Coexpair
- Color variation control process for molding plastic and composite multi-color articles29 Apr 2014US 8,709,322 B2
- Color variation control process for molding plastic and composite multi-color articles10 Apr 2012US 8,153,045 B2
- Injection molding tool and method for the production thereof, and method for producing marbled molded parts11 Jul 2024US 2024/0227261 A9BASF SE
- Injection molding tool and method for the production thereof, and method for producing marbled molded parts25 Apr 2024US 2024/0131762 A1BASF SE
- Method and device for producing marbled molded parts and method for producing the device21 Mar 2024US 2024/0092000 A1BASF SE
- Resin supply systems23 May 2019US 2019/0152111 A1Coexpair
- Color Variation Control Process for Molding Plastic and Composite Multi-Color Articles2 Aug 2012US 2012/0193826 A1
Most cited
By later US patents
- Automatic color pellet selecting and supplying apparatus for injection molding machine38US 5,282,548 AYoshida Kogyo K. K. · 1994
- Dual-hopper injection unit for injection molding machine18US 4,629,410 A1986
- Color variation control process for molding plastic and composite multi-color articles17US 8,153,045 B22012
- Moulding plastics article by varying cyclically its composition14US 6,287,491 B12001
- Hopper transport for injection molding6US 4,876,043 A1989