A62C 37/11
Heat-sensitive
Official title: heat-sensitive
A62C37/11 (Heat-sensitive) appears on 689 US grants and 694 published applications in this corpus.
Search patents in A62C- Granted patents
- 689
- Published applications
- 694
- Assignees
- 225
- Inventors
- 799
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 9 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 14 | 0 |
| 2000 | 12 | 0 |
| 2001 | 5 | 2 |
| 2002 | 11 | 11 |
| 2003 | 7 | 7 |
| 2004 | 5 | 5 |
| 2005 | 13 | 12 |
| 2006 | 9 | 12 |
| 2007 | 3 | 19 |
| 2008 | 7 | 9 |
| 2009 | 11 | 17 |
| 2010 | 10 | 22 |
| 2011 | 6 | 21 |
| 2012 | 8 | 14 |
| 2013 | 17 | 24 |
| 2014 | 24 | 21 |
| 2015 | 19 | 25 |
| 2016 | 32 | 33 |
| 2017 | 38 | 36 |
| 2018 | 24 | 33 |
| 2019 | 31 | 33 |
| 2020 | 24 | 46 |
| 2021 | 33 | 57 |
| 2022 | 36 | 45 |
| 2023 | 44 | 67 |
| 2024 | 51 | 54 |
| 2025 | 45 | 41 |
| 2026 | 38 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sprinkler head15 Sep 2026US 12,734,386 B2Senju Sprinkler Co., Ltd.
- Hot-melt cap25 Aug 2026US 12,714,894 B2Ampere S.A.S.
- Fire protection device with conformal coating18 Aug 2026US 12,708,812 B2Tyco Fire Products LP
- Concealed sprinkler cover11 Aug 2026US 12,702,881 B1
- Heat-activated alarm and response system4 Aug 2026US 12,700,293 B2
- Ridge seal for fire sprinkler8 Oct 2026US 2026/0306890 A1Tyco Fire Products LP
- Battery module8 Oct 2026US 2026/0312205 A1LG Energy Solution, Ltd.
- Single-layered immersion cooling battery module and stacked immersion cooling battery module8 Oct 2026US 2026/0312228 A1Eti Ca Battery Inc.
- Fire Protection Systems and Methods Using Fire Protection Devices Installed in Pipe Fittings With an Internally Housed Seal Member1 Oct 2026US 2026/0295317 A1Minimax Viking Patent Management GmbH
- Gas hydrate fire extinguishing grenade, and method for extinguishing flames by using same27 Aug 2026US 2026/0249114 A1Korea Institute of Industrial Technology
Most cited
By later US patents
- Low pressure, extended coverage, upright fire protection sprinkler153US 6,976,543 B1Grinnell Corporation · 2005
- Extended coverage ordinary hazard sprinkler system123US 6,854,668 B2Victaulic Company of America · 2005
- Sprinkler head107US 6,073,700 AHochiki Corporation · 2000
- Quick release valve for sprinkler head90US 4,993,496 ATotal Walther Feuerschutz GmbH · 1991
- Concealed sprinkler assembly89US 4,014,388 ACentral Sprinkler Corporation · 1977