B29C 2948/922
Viscosity
Official title: Viscosity; Melt flow index [MFI]; Molecular weight
B29C2948/922 (Viscosity) appears on 151 US grants and 162 published applications in this corpus.
Search patents in B29C- Granted patents
- 151
- Published applications
- 162
- Assignees
- 100
- Inventors
- 413
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 5 |
| 2003 | 4 | 4 |
| 2004 | 3 | 6 |
| 2005 | 4 | 6 |
| 2006 | 5 | 5 |
| 2007 | 1 | 3 |
| 2008 | 2 | 7 |
| 2009 | 2 | 8 |
| 2010 | 3 | 5 |
| 2011 | 1 | 4 |
| 2012 | 7 | 6 |
| 2013 | 3 | 7 |
| 2014 | 4 | 5 |
| 2015 | 3 | 5 |
| 2016 | 5 | 9 |
| 2017 | 5 | 8 |
| 2018 | 5 | 8 |
| 2019 | 12 | 12 |
| 2020 | 9 | 11 |
| 2021 | 8 | 4 |
| 2022 | 8 | 11 |
| 2023 | 5 | 6 |
| 2024 | 8 | 9 |
| 2025 | 8 | 5 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for manufacturing bulked continuous filament from recycled pet9 Jun 2026US 12,649,261 B2Aladdin Manufacturing Corporation
- Upgrading recycled polyvinyl butyral7 Apr 2026US 12,594,708 B2Dakip B.V.
- Rheological measurement system with improved tube resistance and thermal strength10 Mar 2026US 12,570,033 B2Dynisco Instruments LLC
- Production device for melt-blown non-woven fabric24 Feb 2026US 12,559,872 B2National University Corporation Kanazawa University
- Extruder and method of manufacturing resin product4 Nov 2025US 12,459,187 B2The Japan Steel Works, Ltd.
- Cyclic polymer processing method including an inline viscosity measurement method18 Jun 2026US 2026/0168910 A1Promix Solutions AG
- Method and Film-Extruding Machine for Producing a Plastics Film19 Feb 2026US 2026/0048541 A1
- Relating polymer molecular ensembles to polymer properties23 Oct 2025US 2025/0326921 A1
- Multi-screw extruder for large format 3d printers9 Oct 2025US 2025/0312967 A1Saudi Arabian Oil Company
- High-voltage cable insulation material continuous extrusion processing characteristic evaluation and optimization method and apparatus14 Aug 2025US 2025/0258077 A1Electric Power Research Institute. China Southern Power Grid
Most cited
By later US patents
- Extruder viscosity control system and method88US 4,721,589 AHarrel, Inc. · 1988
- Injection molding of polymeric material85US 6,884,823 B1Trexel, Inc. · 2005
- Apparatus for fast determination of the rheological properties of thermoplastics68US 4,680,958 ASolvay & Cie · 1987
- Method and device for recycling pet materials67US 6,784,214 B12004
- Continuous mixing of elastomeric compounds66US 5,158,725 AThe Goodyear Tire & Rubber Company · 1992