Y02A 20/30
Relating to industrial water supply
Official title: Relating to industrial water supply, e.g. used for cooling
Y02A20/30 (Relating to industrial water supply) appears on 117 US grants and 124 published applications in this corpus.
Search patents in Y02A- Granted patents
- 117
- Published applications
- 124
- Assignees
- 59
- Inventors
- 251
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 1 |
| 2006 | 4 | 0 |
| 2007 | 2 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 6 |
| 2010 | 1 | 10 |
| 2011 | 1 | 12 |
| 2012 | 8 | 8 |
| 2013 | 7 | 9 |
| 2014 | 2 | 5 |
| 2015 | 3 | 6 |
| 2016 | 3 | 7 |
| 2017 | 10 | 4 |
| 2018 | 4 | 5 |
| 2019 | 3 | 11 |
| 2020 | 7 | 7 |
| 2021 | 4 | 8 |
| 2022 | 1 | 6 |
| 2023 | 3 | 3 |
| 2024 | 6 | 4 |
| 2025 | 3 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Recycled water system16 Jun 2026US 12,655,616 B2Kohler Co.
- Bathroom system10 Feb 2026US 12,546,094 B2Kohler Co.
- Method and controller for operating a water system and water system23 Dec 2025US 12,503,838 B2Pittway Sarl
- Indoor grey water purification and reuse device, system and method for public buildings22 Apr 2025US 12,281,466 B2China Architecture Design & Research Group Co., Ltd.
- Cascade water recycling intelligent system for shale gas exploitation11 Feb 2025US 12,221,358 B2Tianjin University
- Bathroom system20 Aug 2026US 2026/0243065 A1Kohler Co.
- System and method for recovering and reusing graywater12 Dec 2024US 2024/0410140 A1Kohler (China) Investment Co., Ltd.
- Method for recycling water and a water recycling device1 Feb 2024US 2024/0035259 A1Orbital Systems AB
- A water recirculation system intended for recycling of water or discarding of water not suitable to recycle18 Jan 2024US 2024/0018755 A1Orbital Systems AB
- Systems and Methods for Optimizing Water System Management by Calculating the Marginal Attributes of Water Delivered at Specific Locations and Times11 Jan 2024US 2024/0010537 A1The Board of Trustees of the Leland Stanford Junior University
Most cited
By later US patents
- Process and system for recycling and reusing gray water104US 5,868,937 AMainstream Engineering Corporation · 1999
- Water reuse system89US 4,162,218 A1979
- Gray-water reclamation and reuse system73US 5,106,493 A1992
- Water recycling with solids and foam removal43US 4,197,597 AThe Water-Cyk Corporation · 1980
- Gray water recycling system40US 6,132,138 A2000