Y10T 137/5497
Protection against freezing
Y10T137/5497 (Protection against freezing) appears on 145 US grants and 69 published applications in this corpus.
Search patents in Y10T- Granted patents
- 145
- Published applications
- 69
- Assignees
- 41
- Inventors
- 121
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 2 |
| 2002 | 3 | 1 |
| 2003 | 3 | 1 |
| 2004 | 4 | 1 |
| 2005 | 5 | 3 |
| 2006 | 3 | 7 |
| 2007 | 4 | 3 |
| 2008 | 2 | 4 |
| 2009 | 3 | 4 |
| 2010 | 5 | 3 |
| 2011 | 3 | 5 |
| 2012 | 2 | 5 |
| 2013 | 7 | 4 |
| 2014 | 6 | 2 |
| 2015 | 7 | 4 |
| 2016 | 4 | 5 |
| 2017 | 4 | 3 |
| 2018 | 4 | 4 |
| 2019 | 3 | 1 |
| 2020 | 4 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hydrant nozzle cap spacer1 Jul 2025US 12,345,028 B2Mueller International, LLC
- Hydrant nozzle cap spacer18 Jun 2024US 12,012,732 B2Mueller International, LLC
- Hydrant nozzle cap spacer16 Apr 2024US 11,959,260 B2Mueller International, LLC
- Hydrant nozzle cap spacer23 May 2023US 11,655,618 B2Mueller International, LLC
- Hydrant nozzle cap spacer15 Feb 2022US 11,248,367 B2Mueller International, LLC
- Hydrant nozzle cap spacer12 Mar 2026US 2026/0071413 A1Mueller International, LLC
- Sampling station and valve useful therein5 Sep 2024US 2024/0295472 A1Kupferle, LLC
- Hydrant nozzle cap spacer29 Aug 2024US 2024/0287772 A1Mueller International, LLC
- Hydrant nozzle cap spacer3 Aug 2023US 2023/0243134 A1Mueller International, LLC
- Hydrant nozzle cap spacer3 Aug 2023US 2023/0243135 A1Mueller International, LLC
Most cited
By later US patents
- Fire hydrant with drain valve and backflow preventer mechanism72US 3,980,097 AMueller Co. · 1976
- Fire hydrant assembly64US 5,803,110 A1998
- Non-freeze wall hydrant with vacuum breaker58US 3,952,770 A1976
- Self-draining sill cock assembly45US 4,178,956 AWoodford Manufacturing Company · 1979
- Wall hydrant37US 4,316,481 AWoodford Manufacturing Company · 1982