B32B 2305/02
Cellular or porous
B32B2305/02 (Cellular or porous) appears on 2,012 US grants and 2,040 published applications in this corpus.
Search patents in B32B- Granted patents
- 2,012
- Published applications
- 2,040
- Assignees
- 1,342
- Inventors
- 5,089
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 26 | 0 |
| 1978 | 19 | 0 |
| 1979 | 19 | 0 |
| 1980 | 13 | 0 |
| 1981 | 25 | 0 |
| 1982 | 13 | 0 |
| 1983 | 11 | 0 |
| 1984 | 25 | 0 |
| 1985 | 23 | 0 |
| 1986 | 8 | 0 |
| 1987 | 14 | 0 |
| 1988 | 20 | 0 |
| 1989 | 43 | 0 |
| 1990 | 31 | 0 |
| 1991 | 23 | 0 |
| 1992 | 39 | 0 |
| 1993 | 24 | 0 |
| 1994 | 24 | 0 |
| 1995 | 25 | 0 |
| 1996 | 39 | 0 |
| 1997 | 37 | 0 |
| 1998 | 62 | 0 |
| 1999 | 33 | 0 |
| 2000 | 57 | 0 |
| 2001 | 37 | 15 |
| 2002 | 31 | 41 |
| 2003 | 32 | 46 |
| 2004 | 35 | 62 |
| 2005 | 12 | 56 |
| 2006 | 25 | 36 |
| 2007 | 25 | 60 |
| 2008 | 20 | 53 |
| 2009 | 19 | 48 |
| 2010 | 20 | 44 |
| 2011 | 22 | 59 |
| 2012 | 24 | 65 |
| 2013 | 29 | 64 |
| 2014 | 31 | 66 |
| 2015 | 54 | 146 |
| 2016 | 63 | 102 |
| 2017 | 63 | 127 |
| 2018 | 70 | 135 |
| 2019 | 111 | 120 |
| 2020 | 115 | 149 |
| 2021 | 97 | 108 |
| 2022 | 93 | 101 |
| 2023 | 92 | 105 |
| 2024 | 78 | 97 |
| 2025 | 78 | 80 |
| 2026 | 50 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Moulded multi-layered fibrous product and use thereof6 Oct 2026US 12,752,512 B2Metsä Spring Oy
- Method of making artificial turf6 Oct 2026US 12,752,526 B2Polytex Sportbelage Produktions-GmbH
- Multi-functional acoustical foam board22 Sep 2026US 12,741,444 B2
- Laminates15 Sep 2026US 12,734,785 B2Stora Enso OYJ
- Composite skins having variable hole sizes and shapes formed using photomachining15 Sep 2026US 12,736,017 B2Rtx Corporation
- Walk-off carpet8 Oct 2026US 2026/0305911 A1Aladdin Manufacturing Corporation
- Cohesively bonded, microporous multilayer films8 Oct 2026US 2026/0307378 A1Amtek Research International LLC
- Composite panel element1 Oct 2026US 2026/0296977 A1
- Composite articles including functional films24 Sep 2026US 2026/0285242 A1Hanwha Azdel, Inc.
- Laminate and method for manufacturing laminate17 Sep 2026US 2026/0273891 A1Nitto Denko Corporation
Most cited
By later US patents
- Process for producing porous products1,316US 3,953,566 AW. L. Gore & Associates, Inc. · 1976
- Porous products and process therefor909US 4,187,390 AW. L. Gore & Associates, Inc. · 1980
- Multilayer polymeric film481US 5,006,394 AThe Procter & Gamble Company · 1991
- Radially expandable vascular graft with resistance to longitudinal compression and method of making same414US 5,628,786 AImpra, Inc. · 1997
- Waterproof laminate389US 4,194,041 AW. L. Gore & Associates, Inc. · 1980