B29K 2023/0675
Hmwpe, i.e. high molecular weight polyethylene
Official title: {HMWPE, i.e. high molecular weight polyethylene}
B29K2023/0675 (Hmwpe, i.e. high molecular weight polyethylene) appears on 53 US grants and 62 published applications in this corpus.
Search patents in B29K- Granted patents
- 53
- Published applications
- 62
- Assignees
- 31
- Inventors
- 90
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
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| 1997 | 0 | 0 |
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| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 4 |
| 2003 | 0 | 3 |
| 2004 | 2 | 2 |
| 2005 | 3 | 4 |
| 2006 | 0 | 4 |
| 2007 | 1 | 4 |
| 2008 | 4 | 4 |
| 2009 | 0 | 1 |
| 2010 | 3 | 1 |
| 2011 | 2 | 4 |
| 2012 | 3 | 7 |
| 2013 | 2 | 3 |
| 2014 | 6 | 4 |
| 2015 | 2 | 3 |
| 2016 | 5 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 3 |
| 2019 | 3 | 0 |
| 2020 | 1 | 3 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of increasing bubble stability of a polyethylene resin17 Jun 2025US 12,330,362 B2Univation Technologies, LLC
- Injection molded medical devices made from a high molecular weight polyethylene14 May 2024US 11,981,757 B2Celanese International Corporation
- Cables with improved coverings to reduce shrinkback and methods of forming the same5 Dec 2023US 11,837,383 B2Prysmian S P A.
- Process and apparatus for the manufacture of large volume containers with flange by plastic blow molding26 Jan 2021US 10,899,062 B2
- High molecular weight polyethylene composition, product and process of making same19 Jan 2021US 10,894,877 B2Desgagné, Brown Et AssociéS Inc.
- Biaxially oriented membranes from double layer, oil filled sheets19 Mar 2026US 2026/0077546 A1Amtek Research International LLC
- Recycling systems and related methods18 Sep 2025US 2025/0289166 A1
- Method of increasing bubble stability of a polyethylene resin5 Sep 2024US 2024/0293965 A1Univation Technologies, LLC
- Injection Molded Medical Devices Made From A High Molecular Weight Polyethylene8 Aug 2024US 2024/0262942 A1Celanese International Corporation
- Cables with improved coverings to reduce shrinkback and methods of forming the same30 Sep 2021US 2021/0304916 A1Prysmian S P A.
Most cited
By later US patents
- Crosslinking of polyethylene for low wear using radiation and thermal treatments243US 6,228,900 B1The Orthopaedic Hospital and University of Southern California · 2001
- Wear resistant surface-gradient crosslinked polyethylene119US 6,165,220 AOrthopaedic Hospital · 2000
- Wear resistant surface-gradient crosslinked polyethylene106US 6,494,917 B1Orthopaedic Hospital · 2002
- Crosslinking of polyethylene for low wear using radiation and thermal treatments93US 6,800,670 B2Orthopaedic Hospital · 2004
- Process for the continuous production of high modulus articles from high molecular weight plastics59US 5,234,652 A1993