B29C 48/313
By positioning the die lips
Official title: {by positioning the die lips}
B29C48/313 (By positioning the die lips) appears on 211 US grants and 126 published applications in this corpus.
Search patents in B29C- Granted patents
- 211
- Published applications
- 126
- Assignees
- 126
- Inventors
- 375
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 10 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 6 |
| 2003 | 5 | 5 |
| 2004 | 1 | 6 |
| 2005 | 3 | 2 |
| 2006 | 3 | 4 |
| 2007 | 2 | 4 |
| 2008 | 3 | 2 |
| 2009 | 1 | 7 |
| 2010 | 3 | 3 |
| 2011 | 2 | 6 |
| 2012 | 5 | 7 |
| 2013 | 3 | 4 |
| 2014 | 4 | 2 |
| 2015 | 8 | 4 |
| 2016 | 5 | 10 |
| 2017 | 8 | 4 |
| 2018 | 1 | 6 |
| 2019 | 6 | 5 |
| 2020 | 8 | 4 |
| 2021 | 2 | 9 |
| 2022 | 3 | 7 |
| 2023 | 7 | 5 |
| 2024 | 6 | 7 |
| 2025 | 7 | 1 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat bolt unit, die lip adjusting device, extrusion molding die, extrusion molding device, and method for manufacturing heat bolt unit7 Apr 2026US 12,594,710 B2Ax Molding Co., Ltd.
- Method for calibrating adjusting means for adjusting a nozzle slot of a discharge nozzle for a film track on a flat film machine17 Feb 2026US 12,552,081 B2Windmoller & Holscher
- Resin film manufacturing device and resin film manufacturing method4 Nov 2025US 12,459,182 B2The Japan Steel Works, Ltd.
- Die lip opening/closing device7 Oct 2025US 12,434,418 B2Kyoraku Co., Ltd.
- Multi-slot die coater26 Aug 2025US 12,397,316 B2LG Energy Solution, Ltd.
- Extrusion molding apparatus27 Aug 2026US 2026/0249536 A1The Japan Steel Works, Ltd.
- Extrusion molding apparatus27 Aug 2026US 2026/0249537 A1The Japan Steel Works, Ltd.
- Heat bolt unit, die lip adjusting device, extrusion molding die, extrusion molding device, and method for manufacturing heat bolt unit16 Jul 2026US 2026/0200160 A1Ax Molding Co., Ltd.
- Extrusion film-forming apparatus15 Jan 2026US 2026/0014749 A1Sumitomo Heavy Industries Modern, Ltd.
- Co-extruded laminate film and method for the production of a co-extruded laminate film2 Jan 2025US 2025/0001664 A1Nitto Denko Corporation
Most cited
By later US patents
- Thickness control system for an extrusion die84US 3,940,221 AWelex Incorporated · 1976
- Method of manufacturing cellulose film, manufacturing apparatus, optical film, polarizing plate and liquid crystal display59US 8,349,228 B2Konica Minolta Opto, Inc. · 2013
- Method and apparatus for continuously co-extruding a sheet58US 4,533,510 A1985
- Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor56US 6,521,675 B1BP Corporation North America Inc. · 2003
- Foamed polypropylene sheet having improved appearance and a foamable polypropylene composition therefor55US 6,562,447 B2BP Corporation North America Inc. · 2003