B29C 48/625
Characterised by the ratio of the threaded length of the screw to
Official title: characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
B29C48/625 (Characterised by the ratio of the threaded length of the screw to) appears on 197 US grants and 231 published applications in this corpus.
Search patents in B29C- Granted patents
- 197
- Published applications
- 231
- Assignees
- 176
- Inventors
- 602
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 10 |
| 2003 | 4 | 4 |
| 2004 | 7 | 5 |
| 2005 | 2 | 7 |
| 2006 | 3 | 1 |
| 2007 | 1 | 5 |
| 2008 | 2 | 7 |
| 2009 | 4 | 10 |
| 2010 | 4 | 14 |
| 2011 | 2 | 9 |
| 2012 | 6 | 9 |
| 2013 | 3 | 17 |
| 2014 | 9 | 18 |
| 2015 | 16 | 15 |
| 2016 | 5 | 10 |
| 2017 | 7 | 14 |
| 2018 | 8 | 6 |
| 2019 | 7 | 15 |
| 2020 | 10 | 12 |
| 2021 | 7 | 7 |
| 2022 | 13 | 9 |
| 2023 | 11 | 7 |
| 2024 | 4 | 6 |
| 2025 | 11 | 9 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for directly preparing foamed polylactic acid (PLA) product from PLA melt28 Oct 2025US 12,454,086 B2JHM Engineering and Technology (Ningbo) Co., Ltd
- Multi-layer film with improved modulus properties30 Sep 2025US 12,427,758 B2Covestro Intellectual Property GmbH & Co.KG
- Continuous dynamic and efficient devolatilization method for polymer/volatile system based on high mass transfer interfaces23 Sep 2025US 12,421,329 B1Useon Technology Limited
- 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)
- Method for producing flame retardant polycarbonate resin composition pellet26 Aug 2025US 12,397,475 B2Mitsubishi Engineering-Plastics Corporation
- Extruder10 Sep 2026US 2026/0264306 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
- Recycled polyarylene sulfide resin composition and production method thereof25 Jun 2026US 2026/0176461 A1Tosoh Corporation
- 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)
Most cited
By later US patents
- High-precision modeling filament153US 7,122,246 B2Stratasys, Inc. · 2006
- Fiber reinforced thermoplastic resin structure, process for production of same, and extruder for production of same148US 5,679,456 AToray Industries, Inc. · 1997
- Fiber reinforced thermoplastic resin structure, process for production of same, and extruder for production of same126US 5,824,410 AToray Industries, Inc. · 1998
- Biodegradable foamed plastic materials59US 5,736,586 ANovamont S. p. A. · 1998
- High-precision modeling filament50US 6,866,807 B2Stratasys, Inc. · 2005