E04D 1/28
Roofing elements comprising two or more layers
Official title: Roofing elements comprising two or more layers, e.g. for insulation
E04D1/28 (Roofing elements comprising two or more layers) appears on 278 US grants and 323 published applications in this corpus.
Search patents in E04D- Granted patents
- 278
- Published applications
- 323
- Assignees
- 84
- Inventors
- 389
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 2 |
| 2003 | 4 | 3 |
| 2004 | 2 | 4 |
| 2005 | 2 | 3 |
| 2006 | 1 | 4 |
| 2007 | 1 | 8 |
| 2008 | 0 | 5 |
| 2009 | 2 | 3 |
| 2010 | 6 | 12 |
| 2011 | 3 | 13 |
| 2012 | 7 | 11 |
| 2013 | 14 | 14 |
| 2014 | 13 | 19 |
| 2015 | 19 | 17 |
| 2016 | 13 | 18 |
| 2017 | 13 | 11 |
| 2018 | 9 | 15 |
| 2019 | 18 | 33 |
| 2020 | 17 | 17 |
| 2021 | 20 | 22 |
| 2022 | 21 | 20 |
| 2023 | 14 | 19 |
| 2024 | 19 | 23 |
| 2025 | 13 | 19 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Metal roofing shingles11 Aug 2026US 12,703,977 B2GAF Energy LLC
- Coated roofing materials28 Jul 2026US 12,692,705 B2Owens Corning Intellectual Capital, LLC
- Roofing shingle7 Jul 2026US 12,674,322 B1Bmic LLC
- Roofing systems utilizing a primer including a silicon-terminated polymer2 Jun 2026US 12,644,285 B2Amrize Technology Switzerland LLC
- Roofing shingle for collecting solar energy2 Jun 2026US 12,647,063 B2
- Hot mopped asphalt roofing systems incorporating polyisocyanurate coverboards1 Oct 2026US 2026/0295967 A1Johns Manville
- Roofing shingle1 Oct 2026US 2026/0297946 A1Bmic LLC
- Geometry of polymeric roof shingles16 Jul 2026US 2026/0200147 A1Precision Materials Group Holdings, LLC
- Digitally-defined three-dimensional (3d) surface profiles for customizable roofing16 Jul 2026US 2026/0201700 A1Precision Materials Group Holdings, LLC
- Roofing shingle and method of manufacturing thereof28 May 2026US 2026/0146450 A1Bmic LLC
Most cited
By later US patents
- Hurricane resistant shingle131US 5,822,943 ATamko Roofing Products, Inc. · 1998
- Multi-layer shingle121US 5,181,361 ACertainTeed Corporation · 1993
- Composite shingle having shading zones in different planes121US 5,426,902 ACertainTeed Corporation · 1995
- Laminated roofing shingle116US 5,611,186 AElk Corporation of Dallas · 1997
- Laminar roofing product113US 5,195,290 AAmerican Heartland Roofing Products, Inc. · 1993