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In 1826, Patrick Bell designed the first combine that had scissors and could cut crops easier
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Hiram Moore patented the first successful combine capable of harvesting.
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Combines hit the commercial market and became available to farmers everywhere
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the first self propelled or drivable combine, the Sunshine Auto header, was patented.
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A hydraulic leveling system was created for combines that combine on steep hills. The system prevents combines from tipping over by tilting it one way or another with hydraulic systems.
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Lyle Yost invented the auger that would lift out of the combine and dump grain.
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In the 1950s combines became equipped with valuable speed drive so combines could keep combining at the same RPM without the driver having to step on or off the petal.
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The rotary combine, the TR70, was launched by New Holland. The rotary design features a rotating cylinder in the front of the combine that knocks the seeds from the pods then the rest of the combine separates the seeds from the chaff. The chaff is then ejected out the back where the seed is kept. This design is still in use today.
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With the coming of self drivable cars, companies have also been researching how to produce self dirvable combines. Only time will tell.
