B29C 49/04
Extrusion blow-moulding
B29C49/04 (Extrusion blow-moulding) appears on 1,915 US grants and 1,566 published applications in this corpus.
Search patents in B29C- Granted patents
- 1,915
- Published applications
- 1,566
- Assignees
- 753
- Inventors
- 3,160
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 17 | 0 |
| 1978 | 24 | 0 |
| 1979 | 14 | 0 |
| 1980 | 27 | 0 |
| 1981 | 12 | 0 |
| 1982 | 11 | 0 |
| 1983 | 15 | 0 |
| 1984 | 9 | 0 |
| 1985 | 14 | 0 |
| 1986 | 12 | 0 |
| 1987 | 21 | 0 |
| 1988 | 18 | 0 |
| 1989 | 19 | 0 |
| 1990 | 29 | 0 |
| 1991 | 29 | 0 |
| 1992 | 28 | 0 |
| 1993 | 33 | 0 |
| 1994 | 36 | 0 |
| 1995 | 35 | 0 |
| 1996 | 37 | 0 |
| 1997 | 51 | 0 |
| 1998 | 72 | 0 |
| 1999 | 47 | 0 |
| 2000 | 57 | 0 |
| 2001 | 62 | 18 |
| 2002 | 53 | 57 |
| 2003 | 55 | 58 |
| 2004 | 52 | 74 |
| 2005 | 33 | 72 |
| 2006 | 39 | 66 |
| 2007 | 31 | 73 |
| 2008 | 32 | 62 |
| 2009 | 29 | 71 |
| 2010 | 49 | 74 |
| 2011 | 46 | 62 |
| 2012 | 46 | 77 |
| 2013 | 74 | 80 |
| 2014 | 42 | 70 |
| 2015 | 66 | 84 |
| 2016 | 59 | 82 |
| 2017 | 57 | 73 |
| 2018 | 48 | 76 |
| 2019 | 70 | 52 |
| 2020 | 54 | 51 |
| 2021 | 52 | 47 |
| 2022 | 32 | 41 |
| 2023 | 46 | 34 |
| 2024 | 33 | 44 |
| 2025 | 28 | 30 |
| 2026 | 27 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B29C 49/0411Means for defining the wall or layer thickness510
- B29C 49/04102Extruding the material continuously200
- B29C 49/041Using an accumulator head147
- B29C 49/04108Extruding several parisons parallel to each other at the same time67
- B29C 49/04104Extruding the material discontinuously56
- B29C 49/04116Characterised by the die54
- B29C 49/0412Means for cutting the extruded preform48
- B29C 49/04106Means for moving the extruder head up and down16
All 9 subgroupsShow fewer
Recent patents
- Biaxially oriented thermoplastic pipette, and method and apparatus for forming same6 Oct 2026US 12,752,266 B2Corning Incorporated
- Blow-molded article and method for producing the same6 Oct 2026US 12,752,469 B2Kaneka Corporation
- Mold, mouding machine and method for molding by extrusion blow-molding6 Oct 2026US 12,752,471 B2Plastic Omnium Advanced Innovation and Research
- Partially transparent bath toys29 Sep 2026US 12,746,483 B2
- Gas shield generator for a blow/fill/seal machine22 Sep 2026US 12,741,410 B2Weiler Engineering, Inc.
- Extrusion blow molded container and method8 Oct 2026US 2026/0307845 A1Plastipak Packaging, Inc.
- High dart impact and tear films from titanium based prepolymer catalyzed polyethylenes8 Oct 2026US 2026/0308292 A1Formosa Plastics Corporation, U. S. A
- Extrusion blow-moulding machine and method for producing a hollow body24 Sep 2026US 2026/0284954 A1
- Home compostable container24 Sep 2026US 2026/0285531 A1The Water Company LLC
- Non-fluorinated polymer process aids24 Sep 2026US 2026/0286113 A1NOVA Chemicals (International) S.A.
Most cited
By later US patents
- Drug solution filling plastic ampoule and process for producing the same1,123US 8,377,029 B2Otsuka Pharmaceutical Factory, Inc. · 2013
- Multilayer extrusion of angioplasty balloons635US 5,270,086 ASchneider (USA) Inc. · 1993
- Membranes of polyurethane based materials including polyester polyols423US 6,013,340 ANIKE, Inc. · 2000
- Membranes of polyurethane based materials including polyester polyols364US 6,321,465 B1NIKE, Inc. · 2001
- Barrier members including a barrier layer employing polyester polyols295US 6,203,868 B1NIKE, Inc. · 2001