B29C 45/0025
Preventing defects on the moulded article
Official title: {Preventing defects on the moulded article, e.g. weld lines, shrinkage marks (preventing defects on the preformed parts or layers B29C45/14836)}
B29C45/0025 (Preventing defects on the moulded article) appears on 868 US grants and 1,017 published applications in this corpus.
Search patents in B29C- Granted patents
- 868
- Published applications
- 1,017
- Assignees
- 625
- Inventors
- 2,205
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 11 | 0 |
| 1998 | 22 | 0 |
| 1999 | 20 | 0 |
| 2000 | 16 | 0 |
| 2001 | 18 | 10 |
| 2002 | 16 | 21 |
| 2003 | 22 | 23 |
| 2004 | 15 | 30 |
| 2005 | 17 | 29 |
| 2006 | 13 | 35 |
| 2007 | 14 | 34 |
| 2008 | 17 | 35 |
| 2009 | 13 | 37 |
| 2010 | 35 | 38 |
| 2011 | 22 | 53 |
| 2012 | 27 | 42 |
| 2013 | 33 | 39 |
| 2014 | 24 | 45 |
| 2015 | 27 | 52 |
| 2016 | 33 | 60 |
| 2017 | 41 | 50 |
| 2018 | 47 | 77 |
| 2019 | 47 | 53 |
| 2020 | 49 | 59 |
| 2021 | 32 | 44 |
| 2022 | 47 | 39 |
| 2023 | 48 | 36 |
| 2024 | 30 | 26 |
| 2025 | 32 | 29 |
| 2026 | 14 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 2045/0027Gate or gate mark locationsIndexing code241
- B29C 2045/0034Mould parting linesIndexing code78
- B29C 2045/0032Sequential injection from multiple gatesIndexing code60
- B29C 2045/0043Preventing shrinkage by reducing the wall thickness of the moulded articleIndexing code37
- B29C 2045/0036Submerged or recessed burrsIndexing code28
- B29C 2045/0039Intermixing the injected material front at the weld lineIndexing code21
- B29C 2045/0044Expelling moulding material outside the mould cavity at the weld line locationIndexing code17
- B29C 2045/0037Moulding articles or parts thereof without parting lineIndexing code14
Recent patents
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- Cage, rolling bearing, and method for molding cage23 Jun 2026US 12,663,043 B2Fukui Seiki Industry Co., Ltd.
- Control device of injection molding machine, injection molding machine, and method of controlling injection molding machine28 Apr 2026US 12,611,807 B2Sumitomo Heavy Industries, Ltd.
- Elongate articulated bending section body for an insertion endoscope21 Apr 2026US 12,605,046 B2Ambu A/S
- Electrochemical system unit with sealing elements21 Apr 2026US 12,609,331 B2Robert Bosch GmbH
- Vibration assisted overmolding of a component8 Oct 2026US 2026/0307304 A1
- Substrate storage container and method for manufacturing substrate storage container17 Sep 2026US 2026/0282818 A1Shin-Etsu Polymer Co., Ltd.
- Coating layer composition for injection mold and injection mold comprising the same27 Aug 2026US 2026/0249521 A1Hyundai Motor Company
- Plastic cover and vehicle6 Aug 2026US 2026/0225539 A1Geely Automobile Research Institute (Ningbo) Co., Ltd.
- Optical scanning device and image forming apparatus6 Aug 2026US 2026/0227721 A1
Most cited
By later US patents
- Actuation sled having a curved guide member and method1,105US 8,257,634 B2Tyco Healthcare Group LP · 2012
- Dielectric lens cone radiator sub-reflector assembly129US 9,105,981 B2CommScope Technologies LLC · 2015
- Molding apparatus having a projecting bulge located in a die half119US 6,866,497 B2Kabushiki Kaisha Tokai Rika Denki Seisakusho · 2005
- Injection molding gate flow control118US 5,556,582 AStanford University · 1996
- Golf ball with multiple shell layers113US 6,299,550 B1Spalding Sports Worldwide, Inc. · 2001