B29C 2045/2889
Sealing guide bushings therefor
Official title: {Sealing guide bushings therefor}
B29C2045/2889 (Sealing guide bushings therefor) appears on 60 US grants and 64 published applications in this corpus.
Search patents in B29C- Granted patents
- 60
- Published applications
- 64
- Assignees
- 26
- Inventors
- 75
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 0 | 6 |
| 2004 | 5 | 4 |
| 2005 | 2 | 2 |
| 2006 | 2 | 6 |
| 2007 | 4 | 5 |
| 2008 | 4 | 5 |
| 2009 | 5 | 6 |
| 2010 | 4 | 4 |
| 2011 | 2 | 3 |
| 2012 | 5 | 3 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Component of an injection molding apparatus2 Dec 2025US 12,485,596 B2S.I.P.A. Societa' Dustrializzazione Progettazione E Automazione S.P.A.
- Component for a nozzle of an injection molding apparatus as well as corresponding nozzle and injection molding apparatus28 Oct 2025US 12,454,085 B2S.I.P.A. Societa' Industrializzazione Progettazione E Automazione S.P.A.
- Injection molding apparatus with a thermal bridge9 Jul 2024US 12,030,231 B2Milacron LLC
- Hot runner system25 Jul 2023US 11,707,872 B2Mold-Masters (2007) Limited
- Stem connector for melt-distribution assembly of molding system26 Apr 2022US 11,312,051 B2
- Method and component of a hot-injection apparatus13 Feb 2025US 2025/0050565 A1INGLASS S.p.A.
- Valve assembly for an injection molding system24 Oct 2024US 2024/0351259 A1Mold-Masters (2007) Limited
- Component of an injection molding apparatus18 May 2023US 2023/0150178 A1S.I.P.A. Societa' Industrializzazione Progettazione E Automazione S.P.A.
- Component for a nozzle of an injection molding apparatus as well as corresponding nozzle and injection molding apparatus4 May 2023US 2023/0140576 A1S.I.P.A. Societa' Industrializzazione Progettazione E Automazione S.P.A.
- Hot runner system8 Sep 2022US 2022/0281147 A1Mold-Masters (2007) Limited
Most cited
By later US patents
- Injection molding nozzle seal45US 4,043,740 A1977
- Dual feed bushing for multi-cavity injection molding40US 4,705,473 AMold-Masters Limited · 1987
- Injection molding apparatus with shut off valve pin actuation system36US 5,067,893 A1991
- Bushing seal for valve-gated injection mold34US 4,026,518 A1977
- Injection molding valve pin bushing and method34US 4,433,969 A1984