Fire extinguisher had been developed by DuPont and the US Army in 1954. Both 1211 and 1301 work by inhibiting the chain reaction of the fire, and in the case of Halon 1211, cooling class A fuels as well. Halon is still in use today but is falling out of favor for many uses due to its environmental impact. Europe and Australia have severely restricted its use, since the Montreal Protocol of 1987. Less severe restrictions have been implemented in the United States, the Middle East, and Asia. Internationally there are several accepted classification methods for hand-held fire extinguisher. Each classification is
Cutting extinguisher also been used successfully in combination with positive pressure ventilation (PPV) fans. The Swedish contingencies agency recently published a report on 10 years user experience of the Cobra cutting extinguisher in Sweden. Pyrolance LLC has a licence signed 2006 with CCS AB to manufacture and market a 'Americanized' product similar to the CCS- Cobra 'Cutting Extinguisher'. PyroLance is a firefighting system that cools and contains fires and fire gases. Utilizing a combination of high-pressure water and a nonsparking abrasive material, the PyroLance pierces exterior structures, and blankets the thermal layers inside with a fog of atomized water. The PyroLance introduces