E03B 7/12
By preventing freezing
Official title: by preventing freezing
E03B7/12 (By preventing freezing) appears on 236 US grants and 165 published applications in this corpus.
Search patents in E03B- Granted patents
- 236
- Published applications
- 165
- Assignees
- 95
- Inventors
- 373
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 0 | 0 |
| 1984 | 9 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 1 |
| 2003 | 5 | 4 |
| 2004 | 3 | 4 |
| 2005 | 4 | 5 |
| 2006 | 3 | 3 |
| 2007 | 2 | 1 |
| 2008 | 1 | 2 |
| 2009 | 3 | 3 |
| 2010 | 2 | 4 |
| 2011 | 2 | 2 |
| 2012 | 3 | 2 |
| 2013 | 2 | 3 |
| 2014 | 1 | 10 |
| 2015 | 2 | 10 |
| 2016 | 12 | 11 |
| 2017 | 12 | 14 |
| 2018 | 11 | 15 |
| 2019 | 9 | 7 |
| 2020 | 10 | 15 |
| 2021 | 11 | 10 |
| 2022 | 8 | 9 |
| 2023 | 9 | 7 |
| 2024 | 10 | 13 |
| 2025 | 8 | 4 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water supply system for use in an aircraft and a method for preventing freezing of water lines7 Jul 2026US 12,674,305 B2Airbus Operations GmbH
- Freeze resistant wall hydrant17 Mar 2026US 12,577,762 B2
- Antifreeze valve device and plant using said device11 Nov 2025US 12,467,551 B2Cimberio Holding S.R.L.
- Antifreeze solution transport and delivery system14 Oct 2025US 12,441,603 B2EZ Antifreeze, LLC
- Housing for drain outlet9 Sep 2025US 12,410,591 B1
- Fluid conduit evacuation systems, methods, and apparatus23 Jul 2026US 2026/0210092 A1
- Freeze Resistant Wall Hydrant9 Jul 2026US 2026/0193871 A1
- Portable pipe-thawing devices, and related methods of use28 May 2026US 2026/0146422 A12662944 Alberta Ltd.
- System for monitoring and controlling pipe temperature7 May 2026US 2026/0126821 A1
- Outdoor Spigot Protection Device5 Mar 2026US 2026/0062897 A1
Most cited
By later US patents
- Water use monitoring apparatus and water damage prevention system110US 9,297,150 B22016
- Fluid loss, damage prevention and control system76US 5,056,554 A1991
- Freeze resistant hose bib receptacle58US 4,473,244 A1984
- Outdoor hot and cold water faucet assembly56US 5,964,246 AMecker R & D, Inc. · 1999
- Fluid loss, damage prevention and control system52US 4,730,637 A1988