B29C 49/60
Blow-needles
B29C49/60 (Blow-needles) appears on 128 US grants and 112 published applications in this corpus.
Search patents in B29C- Granted patents
- 128
- Published applications
- 112
- Assignees
- 92
- Inventors
- 256
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 4 | 2 |
| 2003 | 1 | 3 |
| 2004 | 4 | 5 |
| 2005 | 2 | 7 |
| 2006 | 7 | 14 |
| 2007 | 4 | 5 |
| 2008 | 0 | 1 |
| 2009 | 3 | 0 |
| 2010 | 2 | 2 |
| 2011 | 3 | 4 |
| 2012 | 1 | 4 |
| 2013 | 5 | 9 |
| 2014 | 3 | 7 |
| 2015 | 6 | 8 |
| 2016 | 8 | 9 |
| 2017 | 5 | 6 |
| 2018 | 1 | 2 |
| 2019 | 9 | 2 |
| 2020 | 3 | 4 |
| 2021 | 6 | 5 |
| 2022 | 2 | 3 |
| 2023 | 4 | 3 |
| 2024 | 2 | 1 |
| 2025 | 2 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 2049/6072Being movableIndexing code33
- B29C 2049/609Two or more blow-needlesIndexing code26
- B29C 2049/6018Constructional features of the air outletIndexing code19
- B29C 2049/6091Avoiding needle marksIndexing code14
- B29C 2049/6063Having means which facilitate the puncturing of the parisonIndexing code13
- B29C 2049/6054Means for avoiding blowing fluid leakage between the blow needle and parisonsIndexing code9
- B29C 2049/6092Blow needle sterilizationIndexing code2
Recent patents
- Blow molding device and manufacturing method of resin liner for pressure vessel using the same16 Dec 2025US 12,496,763 B2Yachiyo Industry Co., Ltd.
- Molded plastic structures6 May 2025US 12,290,166 B2Lifetime Products, Inc.
- Molded foam15 Oct 2024US 12,115,713 B2Kyoraku Co., Ltd.
- Molded plastic structures19 Mar 2024US 11,930,919 B2Lifetime Products, Inc.
- Blow molding device7 Nov 2023US 11,806,916 B2Yoshino Kogyosho Co., Ltd.
- Blow molding mechanism and mold unit2 Jul 2026US 2026/0184005 A1Sumitomo Heavy Industries, Ltd.
- Mold, molding machine and method for molding by extrusion blow molding1 Jan 2026US 2026/0001268 A1Plastic Omnium Advanced Innovation and Research
- Extension rod sliding mechanism, intermediate mold, and mold unit12 Jun 2025US 2025/0187248 A1Sumitomo Heavy Industries, Ltd.
- System and method for blow molding plate components for articles of footwear22 May 2025US 2025/0162232 A1NIKE, Inc.
- Molded foam2 Jan 2025US 2025/0001668 A1Kyoraku Co., Ltd.
Most cited
By later US patents
- Method and apparatus for blow molding hollow plastic containers178US 7,153,127 B2Graham Packaging Plastic Products, Inc. · 2006
- Method of manufacturing an air cushion91US 5,925,306 A1999
- Fluid filled unit formation machine and process52US 6,889,739 B2Automated Packaging Systems, Inc. · 2005
- Fluid filled unit formation process33US 7,718,028 B2Automated Packaging Systems, Inc. · 2010
- Blow-molding and degating hollow shapes32US 4,332,750 AEssex Chemical Corporation · 1982