E04D 13/002
Provisions for preventing vegetational growth
Official title: {Provisions for preventing vegetational growth, e.g. fungi, algae or moss}
E04D13/002 (Provisions for preventing vegetational growth) appears on 99 US grants and 118 published applications in this corpus.
Search patents in E04D- Granted patents
- 99
- Published applications
- 118
- Assignees
- 38
- Inventors
- 172
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 6 |
| 2003 | 4 | 6 |
| 2004 | 0 | 9 |
| 2005 | 2 | 7 |
| 2006 | 5 | 6 |
| 2007 | 0 | 11 |
| 2008 | 2 | 5 |
| 2009 | 2 | 4 |
| 2010 | 4 | 6 |
| 2011 | 3 | 4 |
| 2012 | 2 | 5 |
| 2013 | 2 | 4 |
| 2014 | 9 | 8 |
| 2015 | 3 | 2 |
| 2016 | 4 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 1 | 5 |
| 2020 | 2 | 3 |
| 2021 | 3 | 5 |
| 2022 | 2 | 5 |
| 2023 | 5 | 6 |
| 2024 | 3 | 3 |
| 2025 | 3 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Algaecidal roofing granules, roofing products including them, and methods for making them6 Oct 2026US 12,753,607 B2CertainTeed Corporation
- Chemical composition and method for microbial inhibiting25 Aug 2026US 12,714,108 B2
- Steep slope roofing system10 Jun 2025US 12,325,997 B2Bmic LLC
- Filtration device with ion dispersing material3 Jun 2025US 12,320,122 B2
- Filtering mesh with growth inhibiting material14 Jan 2025US 12,195,968 B2
- Roof coating resistant to biofouling14 Aug 2025US 2025/0257226 A1
- Roofing products with zones of algae-resistant granules and method of manufacture1 May 2025US 2025/0137257 A1CertainTeed Corporation
- Chemical composition and method for microbial inhibiting17 Apr 2025US 2025/0120401 A1
- Microbial growth and dust retardant roofing shingles12 Dec 2024US 2024/0410171 A1CertainTeed Corporation
- Filtration device with ion dispersing material8 Aug 2024US 2024/0263453 A1
Most cited
By later US patents
- Roof mount sealing assembly129US 8,448,405 B2D Three Enterprises, LLC · 2013
- Surface topography for non-toxic bioadhesion control104US 7,143,709 B2University of Florida Research Foundation, Inc. · 2006
- Aesthetic, self-aligning shingle for hip, ridge, or rake portion of a roof83US 6,530,189 B2Elk Premium Building Products, Inc. · 2003
- Photocatalytic composition and method for preventing algae growth on building materials75US 6,569,520 B13M Innovative Properties Company · 2003
- Method of inhibiting algae growth on asphalt shingles64US 5,356,664 AMinnesota Mining and Manufacturing Company · 1994