D04H 3/073
Hollow cylinder shaped
D04H3/073 (Hollow cylinder shaped) appears on 66 US grants and 50 published applications in this corpus.
Search patents in D04H- Granted patents
- 66
- Published applications
- 50
- Assignees
- 53
- Inventors
- 131
- Latest grant
- 6 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 8 |
| 2015 | 4 | 2 |
| 2016 | 4 | 2 |
| 2017 | 0 | 1 |
| 2018 | 3 | 2 |
| 2019 | 2 | 2 |
| 2020 | 2 | 4 |
| 2021 | 4 | 4 |
| 2022 | 4 | 6 |
| 2023 | 1 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermoresponsive facial mask and materials thereof6 Jan 2026US 12,515,083 B2Jing Young Biotech Business Co., Ltd.
- Biomedical patches with aligned fibers9 Dec 2025US 12,491,061 B2Washington University
- Spunbonded nonwoven and tile carpet using the same7 Jan 2025US 12,188,162 B2Kolon Industries, Inc.
- Biomedical patches with aligned fibers19 Nov 2024US 12,144,716 B2Washington University
- Electrospun material covered medical appliances and methods of manufacture3 Jan 2023US 11,541,154 B2Merit Medical Systems, Inc.
- Easily Recyclable and Abrasion-Resistant Multi-Layer Elastic Composite Fabric26 Mar 2026US 2026/0085458 A1
- Continuous manufacturing of carbon fiber structure3 Jul 2025US 2025/0215625 A1Wildstar, LLC
- Biomedical patches with aligned fibers22 May 2025US 2025/0161014 A1Washington University
- Microfiber Implant Made by Winding Filament18 Apr 2024US 2024/0123119 A1Asante Bio LLC
- Method and device for producing an annular multiaxial laid fabric and an annular object produced therewith3 Aug 2023US 2023/0243077 A1KARL MAYER Technische Textilien GmbH
Most cited
By later US patents
- Vascular prosthesis and method for production thereof107US 7,244,272 B2Nicast Ltd. · 2007
- Seamless tubular nonwoven webs and filters thereof65US 4,032,688 APall Corporation · 1977
- Machine for manufacturing composite reinforcement elements woven in three dimensions41US 4,917,756 AAerospatiale Societe Nationale Industrielle · 1990
- Continuous production of nonwoven tubular webs from thermoplastic fibers and products39US 4,021,281 APall Corporation · 1977
- Biomedical patches with aligned fibers26US 10,149,749 B2Washington University · 2018