B29C 2045/1891
Means for detecting presence or level of raw material inside feeding ducts
Official title: {Means for detecting presence or level of raw material inside feeding ducts, e.g. level sensors inside hoppers}
B29C2045/1891 (Means for detecting presence or level of raw material inside feeding ducts) appears on 17 US grants and 15 published applications in this corpus.
Search patents in B29C- Granted patents
- 17
- Published applications
- 15
- Assignees
- 14
- Inventors
- 36
- Latest grant
- 27 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 3 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and method for dosing a fluid formulation into a polymeric material27 May 2025US 12,311,586 B2Colormatrix Holdings, Inc.
- Plasticizing device, three-dimensional shaping apparatus, and injection molding apparatus5 Nov 2024US 12,134,231 B2Seiko Epson Corporation
- Material dispensing device, three-dimensional shaping device, and injection molding device27 Aug 2024US 12,070,904 B2Seiko Epson Corporation
- Plasticizing device, injection molding apparatus, and three-dimensional shaping apparatus9 Jan 2024US 11,865,752 B2Seiko Epson Corporation
- Three-dimensional shaping device and injection molding device14 Mar 2023US 11,602,880 B2Seiko Epson Corporation
- Feeder and injection molding machine22 May 2025US 2025/0162219 A1The Japan Steel Works, Ltd.
- Injection molding machine and material supply apparatus27 Mar 2025US 2025/0100196 A1The Japan Steel Works, Ltd.
- Material Dispensing Device, Three-Dimensional Shaping Device, And Injection Molding Device24 Aug 2023US 2023/0264421 A1Seiko Epson Corporation
- Apparatus and method for dosing a fluid formulation into a polymeric material30 Mar 2023US 2023/0094368 A1Colormatrix Holdings, Inc.
- Plasticizing device, three-dimensional shaping apparatus, and injection molding apparatus22 Dec 2022US 2022/0402210 A1Seiko Epson Corporation
Most cited
By later US patents
- Granular material transfer system64US 5,252,008 AAutoload, Inc. · 1993
- Material loader for injection molding press18US 5,772,319 A1998
- Apparatus for compounding resin and fiber12US 6,431,847 B1Woodshed Technologies, Inc. · 2002
- Injection molding machine10US 7,431,583 B2Fanuc Corporation · 2008
- System for dosed conveying and selecting of cylindrical pellets for molding apparatus for lead frames8US 5,656,305 AFico B.V. · 1997