E04D 2001/3494
Made of rigid material having a flat external surface
Official title: {made of rigid material having a flat external surface}
E04D2001/3494 (Made of rigid material having a flat external surface) appears on 74 US grants and 79 published applications in this corpus.
Search patents in E04D- Granted patents
- 74
- Published applications
- 79
- Assignees
- 39
- Inventors
- 130
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 4 |
| 2007 | 1 | 4 |
| 2008 | 2 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 4 | 5 |
| 2016 | 1 | 2 |
| 2017 | 2 | 2 |
| 2018 | 5 | 5 |
| 2019 | 4 | 7 |
| 2020 | 7 | 8 |
| 2021 | 4 | 8 |
| 2022 | 5 | 4 |
| 2023 | 8 | 10 |
| 2024 | 3 | 7 |
| 2025 | 3 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Shingle assembly with support bracket162US 7,155,870 B2PowerLight Corporation · 2007
- Shingle roofing assembly136US 5,642,596 A1997
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- Shingle system and fastening strip57US 5,685,117 A1997
- Roof tile construction using sandwiched adhesive55US 6,206,991 B1Fomo Products, Inc. · 2001