B29C 45/24
Cleaning equipment
B29C45/24 (Cleaning equipment) appears on 35 US grants and 22 published applications in this corpus.
Search patents in B29C- Granted patents
- 35
- Published applications
- 22
- Assignees
- 28
- Inventors
- 66
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 2 |
| 2024 | 2 | 4 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated pressure sensing of filtered molten material14 Apr 2026US 12,600,068 B2The Procter & Gamble Company
- Candle filter support and plate assembly for polymer melts4 Mar 2025US 12,239,925 B2Westlake Longview Corporation
- Manufacturing method of the reflector19 Nov 2024US 12,145,299 B2Alto Corporation
- Filter device28 May 2024US 11,992,985 B2Engel Austria GmbH
- Candle filter support and plate assembly for polymer melts4 Jul 2023US 11,691,094 B2Westlake Longview Corporation
- Resin composition for cleaning molding machines5 Feb 2026US 2026/0035558 A1Asahi Kasei Kabushiki Kaisha
- Integrated pressure sensing of filtered molten material28 Nov 2024US 2024/0391149 A1The Procter & Gamble Company
- Sensorized spacer, related mixing head and related apparatus11 Apr 2024US 2024/0116254 A1Afros S. P. A.
- Filter device11 Jan 2024US 2024/0009901 A1Engel Austria GmbH
- Filter device11 Jan 2024US 2024/0009902 A1Engel Austria GmbH
Most cited
By later US patents
- Polymer filteration apparatus and method of use24US 6,270,703 B1Dynisco Extrusion, Inc. · 2001
- Two-stage filter for injection molding machine23US 4,434,053 A1984
- Process and apparatus for injection molding with melt filtration and mixing19US 5,246,660 ASeiki Kabushiki Kaisha · 1993
- Injection molding filter assembly18US 4,256,584 AMold-Masters Limited · 1981
- Apparatus for filtering plasticized materials in extruders and like machines15US 5,004,414 AKreyenborg Verwaltungen und Beteiligungen KG · 1991