E04D 5/02
Roof covering by making use of flexible material: of materials impregnated with
Official title: of materials impregnated with sealing substances, e.g. roofing felt
E04D5/02 (Roof covering by making use of flexible material: of materials impregnated with) appears on 171 US grants and 165 published applications in this corpus.
Search patents in E04D- Granted patents
- 171
- Published applications
- 165
- Assignees
- 104
- Inventors
- 353
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 3 |
| 2003 | 9 | 10 |
| 2004 | 3 | 6 |
| 2005 | 4 | 5 |
| 2006 | 2 | 4 |
| 2007 | 3 | 6 |
| 2008 | 3 | 3 |
| 2009 | 1 | 6 |
| 2010 | 4 | 13 |
| 2011 | 2 | 2 |
| 2012 | 3 | 6 |
| 2013 | 0 | 6 |
| 2014 | 3 | 5 |
| 2015 | 1 | 4 |
| 2016 | 4 | 6 |
| 2017 | 4 | 7 |
| 2018 | 6 | 13 |
| 2019 | 9 | 9 |
| 2020 | 10 | 9 |
| 2021 | 4 | 8 |
| 2022 | 7 | 6 |
| 2023 | 5 | 8 |
| 2024 | 4 | 5 |
| 2025 | 10 | 8 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Roofing materials and roofing systems with improved fire resistance and methods of making thereof23 Jun 2026US 12,662,817 B2Bmic LLC
- Inverted fleece back assemblies for flashing applications21 Apr 2026US 12,607,016 B2Siplast, Inc.
- Roofing shingles, tiles and shakes9 Dec 2025US 12,492,556 B2CertainTeed Corporation
- Roofing material and related method30 Sep 2025US 12,428,780 B2Tietex International, Ltd.
- Waterproofing and breathable polyolefin roofing membrane by extrusion lamination and sequential stretching9 Sep 2025US 12,409,640 B2
- Styrenic block copolymers and polymer modified bitumen therefrom1 Oct 2026US 2026/0297328 A1Kraton Corporation
- Roofing Materials and Roofing Systems with Improved Fire Resistance and Methods of Making Thereof24 Sep 2026US 2026/0286704 A1Bmic LLC
- A self-adhering roofing membrane3 Sep 2026US 2026/0258658 A1Sika Technology AG
- Bituminous waterproofing membrane comprising a recycled bituminous binder, a reinforcement and a rejuvenator16 Apr 2026US 2026/0102743 A1S. A. Imperbel N.V.
- Inverted fleece back assemblies for flashing applications1 Jan 2026US 2026/0002364 A1Siplast, Inc.
Most cited
By later US patents
- Coated structural articles111US 5,965,257 AElk Corporation of Dallas · 1999
- Roofing material with fibrous mat90US 6,296,912 B1Northern Elastomeric, Inc. · 2001
- Roofing products having receptor zones and photovoltaic roofing elements and systems using them87US 10,563,406 B2CertainTeed Corporation · 2020
- Roofing materials having engineered coatings71US 7,238,408 B2Owens Corning Fiberglas Technology, Inc. · 2007
- Fibrous mat especially suitable for roofing products67US 4,112,174 AJohns Manville · 1978