B29C 48/55
Having reverse-feeding elements
Official title: having reverse-feeding elements
B29C48/55 (Having reverse-feeding elements) appears on 112 US grants and 103 published applications in this corpus.
Search patents in B29C- Granted patents
- 112
- Published applications
- 103
- Assignees
- 85
- Inventors
- 273
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 3 |
| 2005 | 2 | 1 |
| 2006 | 1 | 3 |
| 2007 | 3 | 6 |
| 2008 | 0 | 4 |
| 2009 | 1 | 6 |
| 2010 | 6 | 10 |
| 2011 | 1 | 6 |
| 2012 | 3 | 11 |
| 2013 | 4 | 8 |
| 2014 | 2 | 6 |
| 2015 | 5 | 3 |
| 2016 | 4 | 6 |
| 2017 | 5 | 8 |
| 2018 | 1 | 2 |
| 2019 | 3 | 1 |
| 2020 | 3 | 0 |
| 2021 | 3 | 5 |
| 2022 | 6 | 3 |
| 2023 | 5 | 2 |
| 2024 | 1 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Production device for melt-blown non-woven fabric24 Feb 2026US 12,559,872 B2National University Corporation Kanazawa University
- Production method for heat-resistant resin composition30 Sep 2025US 12,427,704 B2Denka Company Limited
- Extruder system and additive manufacturing printer, comprising such an extruder5 Aug 2025US 12,377,608 B2Albico Beheer B.V.
- Extruder20 May 2025US 12,304,111 B2LG Chem.Ltd.
- Method of fabricating an extended release subcutaneous medicinal dosage implant system10 Sep 2024US 12,083,217 B1Drug Delivery Company, LLC
- Screw elements with improved mixing effect and improved heat transfer, and the use of same24 Sep 2026US 2026/0284952 A1Covestro Deutschland AG
- Extruder16 Jul 2026US 2026/0200159 A1The Japan Steel Works, Ltd.
- Polymer based composite materials with increased thermal conductivity9 Jul 2026US 2026/0193509 A1Eurotec Muhendislik Plastikleri Sanayi Ve Ticaret Anonim Sirketi
- Extruder screw and procedure to manufacture the same24 Jul 2025US 2025/0236059 A1
- Method for dry-manufacturing secondary battery electrode14 Nov 2024US 2024/0379933 A1Yunsung F&C Co., Ltd.
Most cited
By later US patents
- Method and apparatus for extruding bingham plastic-type materials134US 5,304,331 AMinnesota Mining and Manufacturing Company · 1994
- Biodegradable polyester resin composition, preparation method therefor, and foamed article and molded article produced therefrom118US 7,807,773 B2Unitika Ltd. · 2010
- Thermoplastic closed loop recycling process99US 5,424,013 A1995
- Process and apparatus for producing starch melt and products obtainable by this process58US 5,316,578 AEMS-Inventa AG · 1994
- Screw kneader for plastic material having a controlling mixing section49US 5,318,358 AWerner & Pfleiderer · 1994