E04D 12/002
Sheets of flexible material
Official title: {Sheets of flexible material, e.g. roofing tile underlay}
E04D12/002 (Sheets of flexible material) appears on 305 US grants and 438 published applications in this corpus.
Search patents in E04D- Granted patents
- 305
- Published applications
- 438
- Assignees
- 166
- Inventors
- 627
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 5 |
| 2002 | 7 | 8 |
| 2003 | 5 | 14 |
| 2004 | 6 | 20 |
| 2005 | 9 | 8 |
| 2006 | 2 | 17 |
| 2007 | 2 | 17 |
| 2008 | 2 | 24 |
| 2009 | 5 | 8 |
| 2010 | 14 | 21 |
| 2011 | 7 | 16 |
| 2012 | 14 | 12 |
| 2013 | 5 | 10 |
| 2014 | 8 | 18 |
| 2015 | 12 | 20 |
| 2016 | 8 | 21 |
| 2017 | 21 | 20 |
| 2018 | 10 | 23 |
| 2019 | 10 | 20 |
| 2020 | 13 | 23 |
| 2021 | 18 | 26 |
| 2022 | 17 | 22 |
| 2023 | 26 | 22 |
| 2024 | 15 | 21 |
| 2025 | 17 | 14 |
| 2026 | 7 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Block with a contoured surface25 Aug 2026US D1,144,982 S1Design
- Cover board with honeycomb layer21 Jul 2026US 12,687,021 B2Bmic LLC
- Microporous membranes, underlayment, roofing, flashing, wrap, and methods for making and using the same14 Jul 2026US 12,678,741 B2Daramic, LLC
- Roofing underlayment2 Jun 2026US 12,643,306 B2International Insulation Products LLC
- Ageing-resistant sealing sheet28 Apr 2026US 12,611,852 B2Ewald Dörken AG
- Asphalt Roofing Underlayment Structure for Protecting Against Water Ingress20 Aug 2026US 2026/0243088 A1Ranch Roofing Inc.
- Roofing products including coated facer6 Aug 2026US 2026/0226744 A1Owens Corning Intellectual Capital, LLC
- Roofing System30 Jul 2026US 2026/0216989 A1
- Roof underlayment device25 Jun 2026US 2026/0176874 A1
- Rafter vent26 Mar 2026US 2026/0085854 A1Advanced Building Products, Inc.
Most cited
By later US patents
- Roofing composite139US 6,708,456 B2Elk Premium Building Products, Inc. · 2004
- Self-bonded nonwoven web and porous film composites130US 5,208,098 AAmoco Corporation · 1993
- Roofing system and roofing shingles114US 6,990,779 B2Elk Premium Building Products, Inc. · 2006
- Coated structural articles111US 5,965,257 AElk Corporation of Dallas · 1999
- Composite weather barrier99US 6,131,353 AMBT Holding AG · 2000