A62C 15/00
Extinguishers essentially of the knapsack type
Official title: Extinguishers essentially of the knapsack type (knapsacks, carrying-frames, pack-frames carried on the body A45F3/00)
A62C15/00 (Extinguishers essentially of the knapsack type) appears on 24 US grants and 20 published applications in this corpus.
Search patents in A62C- Granted patents
- 24
- Published applications
- 20
- Assignees
- 16
- Inventors
- 33
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 2 | 3 |
| 2023 | 0 | 1 |
| 2024 | 2 | 6 |
| 2025 | 0 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Environmentally-clean fire inhibiting and extinguishing compositions and products for sorbing flammable liquids while inhibiting ignition and extinguishing fire14 Apr 2026US 12,599,797 B2Mighty Fire Breaker LLC
- Environmentally-clean aqueous-based fire extinguishing biochemical liquid concentrates for mixing with proportioned quantities of water to produce fire extinguishing water streams7 Apr 2026US 12,594,448 B2Mighty Fire Breaker LLC
- Handsfree, body-mounted apparatus for supporting high-pressure hoses10 Sep 2024US 12,083,369 B2
- Environmentally-clean fire inhibiting and extinguishing compositions and products for sorbing flammable liquids while inhibiting ignition and extinguishing fire27 Feb 2024US 11,911,643 B2Mighty Fire Breaker LLC
- Backpack personal defense material dispenser27 Sep 2022US 11,453,020 B2
- Environmentally-clean water-based fire inhibiting biochemical solutions and methods of and apparatus for applying the same to protect property against wildfire12 Mar 2026US 2026/0069910 A1Mighty Fire Breaker LLC
- Environmentally-safe water-based fire retardant biochemical compositions formulated using alkali metal salts, free from phosphates, nitrates, and ammonium-salts, for non-corrosive aerial and ground delivery onto property requiring long-term protection against wildfire8 May 2025US 2025/0144460 A1Mighty Fire Breaker LLC
- Environmentally-clean water-based fire inhibiting biochemical solutions formulated using alkali metal salts of pyruvic acid for protecting property against wildfire24 Apr 2025US 2025/0128105 A1Mighty Fire Breaker LLC
- Fire Suppression Apparatus28 Nov 2024US 2024/0390715 A1Purple Valor L.L.C.
- Portable misting water-based fire extinguisher21 Nov 2024US 2024/0382790 A1Pyronemesis, Inc.
Most cited
By later US patents
- Firefighting back tank and pump73US 4,688,643 AFireflex Manufacturing, Ltd. · 1987
- Foam based product solution delivery apparatus70US 6,155,351 AIntelagard, Inc. · 2000
- Collapsible water tank59US 5,115,947 AD. B. Smith and Company, Inc. · 1992
- Firefighter's portable water reservoir and method of making the same39US 4,986,805 ABaldwin/Green Inc. · 1991
- Fire suppressant foam generation apparatus30US 5,623,995 AIntelagard, Inc. · 1997