E03C 2001/005
Installations allowing recovery of heat from waste water for warming up fresh
Official title: {Installations allowing recovery of heat from waste water for warming up fresh water}
E03C2001/005 (Installations allowing recovery of heat from waste water for warming up fresh) appears on 69 US grants and 108 published applications in this corpus.
Search patents in E03C- Granted patents
- 69
- Published applications
- 108
- Assignees
- 51
- Inventors
- 147
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 4 |
| 2009 | 0 | 3 |
| 2010 | 0 | 4 |
| 2011 | 1 | 7 |
| 2012 | 1 | 4 |
| 2013 | 1 | 9 |
| 2014 | 6 | 8 |
| 2015 | 2 | 4 |
| 2016 | 5 | 9 |
| 2017 | 4 | 7 |
| 2018 | 5 | 3 |
| 2019 | 5 | 4 |
| 2020 | 6 | 11 |
| 2021 | 4 | 3 |
| 2022 | 5 | 4 |
| 2023 | 3 | 4 |
| 2024 | 6 | 7 |
| 2025 | 1 | 8 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Recirculating shower system25 Aug 2026US 12,716,219 B2Kohler Mira Limited
- Drainage channel and use of a drainage channel in a sanitary facility, in particular a shower facility28 Jul 2026US 12,692,689 B2Aco Ahlmann SE & Co. KG
- Heat exchanger water trap9 Jun 2026US 12,650,266 B2Knl Holding HjøRring Aps
- Plumbing or ablutionary system24 Mar 2026US 12,584,299 B2Kohler Mira Limited
- Grey water heat recovery apparatus24 Feb 2026US 12,560,390 B2Consat AB
- A drain system and a shower or shower cabin23 Jul 2026US 2026/0210562 A1Enduce AB
- Heat recovery unit from gray water14 May 2026US 2026/0132936 A1
- Heat recovery system26 Feb 2026US 2026/0055973 A1Zypho, SA
- Plumbing system15 Jan 2026US 2026/0015839 A1
- A drain system and a shower or shower cabin11 Dec 2025US 2025/0377170 A1Enduce AB
Most cited
By later US patents
- Heat exchanger for a shower or bathtub48US 10,072,897 B2Joulia AG · 2018
- Shower28US 4,304,292 A1981
- Energy conservation in shower bathing20US 4,398,308 A1983
- Heat reclamation for shower baths, sinks, and other fluid receiving vessels18US 4,291,423 A1981
- Energy conservation in shower bathing18US 4,300,247 A1981