B29C 48/875
For achieving a non-uniform temperature distribution
Official title: for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
B29C48/875 (For achieving a non-uniform temperature distribution) appears on 162 US grants and 187 published applications in this corpus.
Search patents in B29C- Granted patents
- 162
- Published applications
- 187
- Assignees
- 177
- Inventors
- 541
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 0 |
| 2003 | 2 | 4 |
| 2004 | 2 | 6 |
| 2005 | 0 | 7 |
| 2006 | 4 | 3 |
| 2007 | 2 | 6 |
| 2008 | 2 | 8 |
| 2009 | 0 | 5 |
| 2010 | 1 | 7 |
| 2011 | 2 | 13 |
| 2012 | 4 | 9 |
| 2013 | 4 | 13 |
| 2014 | 5 | 14 |
| 2015 | 11 | 10 |
| 2016 | 14 | 9 |
| 2017 | 9 | 12 |
| 2018 | 3 | 9 |
| 2019 | 11 | 8 |
| 2020 | 5 | 8 |
| 2021 | 1 | 3 |
| 2022 | 7 | 7 |
| 2023 | 3 | 10 |
| 2024 | 2 | 6 |
| 2025 | 9 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resin composition28 Jul 2026US 12,692,372 B2Plantic Technologies Ltd.
- Foamable cellulose acetate compositions, foams and foam articles formed therefrom21 Apr 2026US 12,606,694 B2Eastman Chemical Company
- System comprising a cryogenic container and a single-piece economizer31 Mar 2026US 12,590,678 B2Cryoshelter BioLNG GmbH
- Method for continuously manufacturing UHMWPE products25 Nov 2025US 12,479,149 B2Tekalen Holding Verwaltungs GmbH
- Process for treatment of an initial polyethylene-containing material to produce a polyethylene composition for injection molding16 Sep 2025US 12,415,297 B2Centre National de la Recherche Scientifique (CNRS)
- Surface-fastener-manufacturing method and molding device9 Jul 2026US 2026/0192504 A1YKK Corporation
- Foamable cellulose acetate compositions, foams and foam articles formed therefrom4 Jun 2026US 2026/0152627 A1Eastman Chemical Company
- Polypropylene composition for injection molding30 Apr 2026US 2026/0117054 A1Centre National de la Recherche Scientifique (CNRS)
- Process for treatment of an initial polypropylene-containing material to produce a polypropylene composition for injection molding23 Apr 2026US 2026/0109083 A1Centre National de la Recherche Scientifique (CNRS)
- Resin processing apparatus, method of manufacturing resin pellets, and method of processing resin material11 Dec 2025US 2025/0375932 A1The Japan Steel Works, Ltd.
Most cited
By later US patents
- Extruder viscosity control system and method88US 4,721,589 AHarrel, Inc. · 1988
- Method for producing small-particle preparations of biologically active substances71US 6,318,650 B1BASF SE · 2001
- Method and apparatus for extruding a low density thermoplastic foam64US 5,393,796 AAmesbury Industries, Inc. · 1995
- Method and apparatus for pulverizing polymers46US 4,607,797 AHermann Berstorff Maschinenbau GmbH · 1986
- Thermoplastic polymer and articles made from a thermoplastic polymer45US 4,870,148 ABelland AG · 1989