A61L 29/146
Porous materials
Official title: {Porous materials, e.g. foams or sponges}
A61L29/146 (Porous materials) appears on 163 US grants and 249 published applications in this corpus.
Search patents in A61L- Granted patents
- 163
- Published applications
- 249
- Assignees
- 120
- Inventors
- 460
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 6 |
| 2003 | 1 | 4 |
| 2004 | 2 | 4 |
| 2005 | 2 | 4 |
| 2006 | 3 | 6 |
| 2007 | 1 | 12 |
| 2008 | 2 | 12 |
| 2009 | 2 | 6 |
| 2010 | 5 | 12 |
| 2011 | 3 | 6 |
| 2012 | 5 | 4 |
| 2013 | 5 | 8 |
| 2014 | 7 | 15 |
| 2015 | 5 | 9 |
| 2016 | 4 | 20 |
| 2017 | 9 | 11 |
| 2018 | 7 | 12 |
| 2019 | 11 | 11 |
| 2020 | 10 | 14 |
| 2021 | 7 | 19 |
| 2022 | 9 | 10 |
| 2023 | 7 | 13 |
| 2024 | 6 | 13 |
| 2025 | 18 | 8 |
| 2026 | 7 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Urinary catheter with porous tip region11 Aug 2026US 12,702,793 B2Hollister Incorporated
- Method and apparatus for instrument propulsion28 Jul 2026US 12,690,757 B2Endogene Limited
- Establishing a physiological skin-material connection9 Jun 2026US 12,648,842 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Flexible tube for endoscope, endoscopic medical device, and methods for producing the same17 Mar 2026US 12,575,715 B2FUJIFILM Corporation
- Non-collapsible catheter tube24 Feb 2026US 12,558,515 B2Convatec Technologies Inc.
- Devices and methods for contacting living tissue13 Aug 2026US 2026/0232875 A1Isl, LLC
- High strength biomedical materials6 Aug 2026US 2026/0224782 A1Access Vascular, Inc.
- Implantable medical devices and tubing23 Jul 2026US 2026/0207887 A1Cerulean Scientific Inc.
- Adaptive Responsive Materials for Medical Applications18 Jun 2026US 2026/0166204 A1Becton, Dickinson and Company
- Hydrophilic medical products and hydration mediums for hydrating the same11 Jun 2026US 2026/0158237 A1Hollister Incorporated
Most cited
By later US patents
- Closed porous chambers for implanting tissue in a host1,958US 5,344,454 ABaxter International Inc. · 1994
- Tissue inplant systems and methods for sustaining viable high cell densities within a host665US 5,314,471 ABaxter International Inc. · 1994
- Closed porous chambers for implanting tissue in a host620US 5,653,756 ABaxter International Inc. · 1997
- Angiogenic tissue implant systems and methods524US 6,773,458 B1Baxter International Inc. · 2004
- Tissue implant systems419US 5,713,888 ABaxter International Inc. · 1998