Fire extinguisher in the early 60s and Purple-K being developed by the US Navy in the late 1960s. Manually applied dry agents such as graphite for class D (metal) fires had existed since WWII, but it wasn't until 1949 that Ansul introduced a pressurized extinguisher using an external CO2 cartridge to discharge the agent. Met-L-X (sodium chloride) was the first extinguisher developed in the US, with graphite, copper, and several other types being developed later. In the 1970s, Halon 1211 came over to the United States from Europe where it had been used since the late 40s or early 50s. Halon 1301
Cutting extinguisher Svenska AB was founded in 1988. The origins of the company was in water jet cutting but in cooperation with Räddningsverket (today the Swedish Civil Contingencies Agency (MSB)), the coldcut Cobra cutting extinguisher was developed in the mid-1990s with the first commercial cutting extinguisher available in 2000. In 2008, Saab acquired a 27% stake in the company. Local adoption has been enthusiastic. Of the over 750 coldcut Cobra systems delivered so far, about 150 are in Sweden and the same amount in the UK. The Cobra has also been sold to fire services in many other countries including Norway, Denmark,