E04D 5/147
Not perforating the flexible material
Official title: {not perforating the flexible material}
E04D5/147 (Not perforating the flexible material) appears on 87 US grants and 31 published applications in this corpus.
Search patents in E04D- Granted patents
- 87
- Published applications
- 31
- Assignees
- 35
- Inventors
- 105
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 2 | 2 |
| 2012 | 1 | 0 |
| 2013 | 1 | 3 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 4 | 2 |
| 2017 | 2 | 0 |
| 2018 | 3 | 3 |
| 2019 | 3 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 3 |
| 2022 | 2 | 0 |
| 2023 | 2 | 2 |
| 2024 | 2 | 3 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Arrangement for securing a flexible web to a walling means94US 4,502,256 AVeith Pirelli, A.G. · 1985
- Membrane roofing fastener64US 4,757,662 AG.B.R. Enterprises · 1988
- Roof membrane anchoring systems using dual anchor plates59US 4,520,606 A1985
- Anchor plates56US 6,640,511 B1Valro Manufacturing Limited · 2003
- Roofing attachment plate47US 5,094,056 A1992