Though not many people know the old name, people are more familiar with Electrolux that is believed to capture 25% of the world s household appliance market. In some countries, Electrolux agents are sent house to house to conduct a free demonstration in the hopes that the customer will buy the product. The British have also outdone itself with the brand known as Dyson. This is because of the innovation in its product line that doesn t use filter bags to catch air but a filter system that converts this into clean air. Long before the idea of not using filter bags was done by the British, the company called Rainbow made a model out in the 1920 s. Suction is done by an internal combustion device that burns gasoline. Because of its size, his invention did not click. In 1905, Walter Griffiths patented a similar device that is smaller in size. He called it the Griffith's Improved Vacuum Apparatus for Removing Dust from Carpets." Manually operated, a person need to compress a bellows-like contraption in order to suck in the dust, which will pass through a flexible pipe. Other canister vacuum cleaner models available from Kenmore Canister Vacuum Cleaner with Variable Power that offers you a variety of cleaning methods to make use of. You can use the cleaner's maximum power in order to clear stubborn dirt. You can also select its gentle suction option in order to clean more delicate surfaces. Miele Vacuum Cleaner There was a time when people had to clean the house using a broom and a dustpan. Though these are still being used today, some households and offices have switched to the vacuum cleaner for this task. The first vacuum cleaner was invented in 1865. In the years that followed, better models were produced and it was only after the Second World War ended that the price of this household appliance was affordable to those in the middle class. But, since Booth's time, the face, shape, size, design and engineering of the vacuum cleaning machine have changed tremendously. The basic idea is still there but due to the changing fashions, the development of science and advances in technology, vacuum cleaners have evolved to be a revolutionary invention that altered forever the way people clean.