Y02A 20/108
Rainwater harvesting
Y02A20/108 (Rainwater harvesting) appears on 230 US grants and 280 published applications in this corpus.
Search patents in Y02A- Granted patents
- 230
- Published applications
- 280
- Assignees
- 127
- Inventors
- 510
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 1 |
| 2003 | 5 | 1 |
| 2004 | 2 | 8 |
| 2005 | 7 | 12 |
| 2006 | 7 | 7 |
| 2007 | 3 | 5 |
| 2008 | 1 | 12 |
| 2009 | 5 | 10 |
| 2010 | 7 | 27 |
| 2011 | 7 | 15 |
| 2012 | 8 | 21 |
| 2013 | 11 | 7 |
| 2014 | 11 | 15 |
| 2015 | 6 | 8 |
| 2016 | 10 | 14 |
| 2017 | 13 | 17 |
| 2018 | 15 | 21 |
| 2019 | 13 | 8 |
| 2020 | 12 | 12 |
| 2021 | 9 | 11 |
| 2022 | 10 | 14 |
| 2023 | 7 | 7 |
| 2024 | 11 | 14 |
| 2025 | 12 | 10 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rain water collection, filtration, and life boat system25 Aug 2026US 12,715,792 B2Intergalactic Services 24/7, LLC
- Radiative cooling-driven system for automated water collection and seed germination enhancement in desert regions16 Jun 2026US 12,653,089 B1Nanjing University
- Rainwater storage device and construction method thereof14 Apr 2026US 12,600,571 B2Yamamoto Foundation Works Co., Ltd.
- Roof curtain wall structure and its construction method24 Mar 2026US 12,584,310 B2Beijing Institute of Architectural Design
- Intelligent rainwater regulation and storage system based on mid-layer water intake18 Nov 2025US 12,473,718 B1Cccc Second Highway Consultants Co., Ltd.
- Moisture-proof protection device for traditional village buildings19 Feb 2026US 2026/0049468 A1Guizhou University
- Roof curtain wall structure and its construction method1 Jan 2026US 2026/0002359 A1Beijing Institute of Architectural Design
- Rain Water Collection, Filtration, and Life Boat System25 Dec 2025US 2025/0388493 A1Intergalactic Services 24/7, LLC
- Intelligent rainwater regulation and storage system based on mid-layer water intake20 Nov 2025US 2025/0354357 A1Cccc Second Highway Consultants Co., Ltd.
- Intelligent Low-Carbon Treatment and Reuse System for Stormwater and Wastewater30 Oct 2025US 2025/0333343 A1Beijing University of Civil Engineering and Architecture
Most cited
By later US patents
- Underground water reservoir88US 5,234,286 A1993
- Enhanced separator tank58US 5,725,760 AStormceptor Corporation · 1998
- Downspout water conservation diversion adaptor54US 5,533,303 A1996
- Rainwater collection and distribution apparatus52US 5,730,179 A1998
- Debris separator unit for raingutter downspouts48US 4,801,377 A1989