E04D 1/2907
By interfitted sections
Official title: {by interfitted sections}
E04D1/2907 (By interfitted sections) appears on 323 US grants and 252 published applications in this corpus.
Search patents in E04D- Granted patents
- 323
- Published applications
- 252
- Assignees
- 140
- Inventors
- 496
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 9 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 7 |
| 2003 | 4 | 6 |
| 2004 | 1 | 13 |
| 2005 | 3 | 6 |
| 2006 | 6 | 8 |
| 2007 | 2 | 8 |
| 2008 | 1 | 8 |
| 2009 | 2 | 8 |
| 2010 | 6 | 8 |
| 2011 | 5 | 8 |
| 2012 | 7 | 7 |
| 2013 | 7 | 4 |
| 2014 | 6 | 15 |
| 2015 | 13 | 17 |
| 2016 | 13 | 10 |
| 2017 | 12 | 9 |
| 2018 | 9 | 15 |
| 2019 | 9 | 8 |
| 2020 | 7 | 9 |
| 2021 | 6 | 12 |
| 2022 | 13 | 17 |
| 2023 | 11 | 18 |
| 2024 | 13 | 10 |
| 2025 | 14 | 12 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- E04D 1/2914Having fastening means or anchors at juncture of adjacent roofing elements308
- E04D 1/2942Having folded sections receiving interfitted part of adjacent section42
- E04D 1/2949Having joints with fluid-handling feature37
- E04D 1/2956Having tongues and grooves32
- E04D 1/2963Having laminated layers overlapping adjacent sections26
- E04D 1/2928Having slits receiving marginal edge of adjacent section9
- E04D 1/2921Having resilient detents adapted to be biased to a position to resist8
- E04D 1/2935Folded, rolled, or indented in situ5
Recent patents
- Metal roofing shingles11 Aug 2026US 12,703,977 B2GAF Energy LLC
- Roof mounting system16 Jun 2026US RE50,919 E1Enstall US, Inc.
- Roofing shingle for collecting solar energy2 Jun 2026US 12,647,063 B2
- Roofing shingles with registered self-seal strip patterns24 Mar 2026US 12,584,314 B2Bmic LLC
- Electrically grounding metal roofing shingles with photovoltaic systems3 Feb 2026US 12,540,474 B2GAF Energy 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 shingles with registered self-seal strip patterns2 Jul 2026US 2026/0185355 A1Bmic LLC
- Interlocking roof tile system with water grooves25 Jun 2026US 2026/0176871 A1
- Interlocking roof tile system with airflow channels25 Jun 2026US 2026/0176872 A1
Most cited
By later US patents
- Photovoltaic module and a photovoltaic apparatus243US 5,571,338 ASanyo Electric Co., Ltd. · 1996
- Solar cell shingle180US 4,040,867 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1977
- Simulated cedar shake construction139US 4,015,391 AAlside, Inc. · 1977
- Multi-layer shingle121US 5,181,361 ACertainTeed Corporation · 1993
- Asphalt shingle for simulating a tiled roof120US 4,274,243 AJohns Manville · 1981