
Impact Crusher Machines Williams Patent Crusher. IMPACT CRUSHER MACHINES Williams Patent Crusher is an industry-leading impact crusher manufacturer, with nearly 150 years in the business to prove it. Since 1871, weve been engineering new designs and improving our existing models to deliver the highest-performing impact crusher machines on ... July, 2013 VSI Vertical Shaft Impact Crusher got 3 patents for utility models and 2 invention patents Wheeled Mobile Crusher got 7 design patents and 1 patents for utility models. May, 2013 VSI5X Vertical Shaft Impact Crusher got the first prize for Progress Prize in Science of Henan province.