Y02A 30/254
Roof garden systems
Official title: Roof garden systems; Roof coverings with high solar reflectance
Y02A30/254 (Roof garden systems) appears on 176 US grants and 246 published applications in this corpus.
Search patents in Y02A- Granted patents
- 176
- Published applications
- 246
- Assignees
- 110
- Inventors
- 323
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 2 | 3 |
| 2004 | 2 | 2 |
| 2005 | 3 | 8 |
| 2006 | 0 | 1 |
| 2007 | 3 | 5 |
| 2008 | 2 | 9 |
| 2009 | 5 | 5 |
| 2010 | 2 | 12 |
| 2011 | 5 | 22 |
| 2012 | 10 | 15 |
| 2013 | 10 | 18 |
| 2014 | 14 | 18 |
| 2015 | 5 | 13 |
| 2016 | 9 | 9 |
| 2017 | 11 | 20 |
| 2018 | 11 | 9 |
| 2019 | 15 | 14 |
| 2020 | 9 | 10 |
| 2021 | 5 | 9 |
| 2022 | 6 | 10 |
| 2023 | 7 | 9 |
| 2024 | 5 | 15 |
| 2025 | 7 | 5 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mineral fiber product28 Apr 2026US 12,612,782 B2Rockwool A/S
- Solar reflective granules and processes for producing same21 Apr 2026US 12,607,402 B2U.S. Silica Company
- Insulation products7 Apr 2026US 12,595,655 B2Rockwool A/S
- Acoustic products7 Apr 2026US 12,595,656 B2Rockwool A/S
- Synthetic flashing material18 Nov 2025US 12,473,734 B2Redeahold Apeldoorn B.V.
- Mineral fiber product6 Aug 2026US 2026/0226734 A1Rockwool A/S
- Greening system and method of installing the same18 Jun 2026US 2026/0165258 A1Kawada Industries, Inc.
- Sports field with shock pad6 Nov 2025US 2025/0341062 A1Rockwool A/S
- Method for growing plant using water absorbing resin, and water absorbing resin and method for producing same28 Aug 2025US 2025/0268158 A1Unitika Ltd.
- Colored roofing membrane with improved solar reflectance21 Aug 2025US 2025/0263928 A1Bmic LLC
Most cited
By later US patents
- Roof covering122US 4,534,142 A1985
- Colored roofing granules with increased solar heat reflectance, solar heat-reflective shingles, and process for producing same122US 7,241,500 B2CertainTeed Corporation · 2007
- Modular roof covering system104US 6,606,823 B1Ford Motor Land Development Corporation · 2003
- Mat for stabilizing particulate materials99US 5,250,340 A1993
- Method of forming an improved roofing material95US 6,933,007 B2The Garland Company, Inc. · 2005