B29C 45/1816
Feeding auxiliary material
Official title: {Feeding auxiliary material, e.g. colouring material}
B29C45/1816 (Feeding auxiliary material) appears on 128 US grants and 142 published applications in this corpus.
Search patents in B29C- Granted patents
- 128
- Published applications
- 142
- Assignees
- 120
- Inventors
- 362
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 5 |
| 2004 | 2 | 7 |
| 2005 | 6 | 4 |
| 2006 | 1 | 3 |
| 2007 | 4 | 5 |
| 2008 | 1 | 3 |
| 2009 | 1 | 7 |
| 2010 | 2 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 2 |
| 2013 | 0 | 5 |
| 2014 | 1 | 3 |
| 2015 | 2 | 8 |
| 2016 | 5 | 9 |
| 2017 | 7 | 6 |
| 2018 | 3 | 7 |
| 2019 | 5 | 6 |
| 2020 | 2 | 14 |
| 2021 | 7 | 9 |
| 2022 | 7 | 6 |
| 2023 | 2 | 9 |
| 2024 | 7 | 4 |
| 2025 | 3 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Injection device14 Apr 2026US 12,600,067 B2Sodick Co., Ltd.
- Thermoplastic compounds containing recycling material with superior quality14 Apr 2026US 12,600,851 B2Ineos Styrolution Group GmbH
- Injection molding machine24 Mar 2026US 12,583,156 B2Nissei Plastic Industrial Co., Ltd.
- Static mixer for blending fluids with melt17 Mar 2026US 12,576,375 B2Markdom International Inc.
- Apparatus and method for dosing a fluid formulation into a polymeric material27 May 2025US 12,311,586 B2Colormatrix Holdings, Inc.
- Molding system having a vision system and a method for optically inspecting molded articles27 Aug 2026US 2026/0249533 A1Husky Injection Molding Systems Ltd.
- Manufacturing device for tank13 Aug 2026US 2026/0233475 A1Toyota Jidosha Kabushiki Kaisha
- Method for drying bulk material, especially granular plastic material, and drying device for such material15 Jan 2026US 2026/0014736 A1Motan Holding GmbH
- Method for producing polycarbonate resin molded product1 Jan 2026US 2026/0001261 A1Mitsubishi Gas Chemical Company, Inc.
- Resin pipe manufacturing method and device9 Oct 2025US 2025/0312955 A1The Yokohama Rubber Co., Ltd.
Most cited
By later US patents
- Method of coloring polycarbonate extruded or molded products for optical members129US 5,116,547 AMitsubishi Gas Chemical Company, Inc. · 1992
- Process for continuously producing polyester articles with scrap recycle in a continuous melt-to-preform process93US 5,945,460 AEastman Chemical Company · 1999
- Colored resin molder92US 5,225,210 ASysko Corporation · 1993
- Process and apparatus for compounding and injection-moulding desiccant-filled polymers47US 7,744,788 B2Airsec S.A.S. · 2010
- Screw apparatus and method for supplying reinforcing fiber-containing molten resin using the apparatus45US 5,653,534 ASumitomo Chemical Company, Limited · 1997