1 coal mine equipment patents include coal mine screening equipment, coal mine equipment transportation device, etc. Coal mine screening equipment can screen pulverized coal from raw coal to improve coal preparation efficiency, and coal gangue re-separation can improve coal preparation accuracy; Rubber pads and hooks are used in the transportation device of coal mine equipment, which plays a good role in shock absorption and buffering, improves the comfort of workers, and can also avoid the phenomenon that coal mine equipment slips when going up and down slopes.
The patent application process is the approval process of invention patent application-patent application-acceptance-preliminary examination-publication-substantive examination request-substantive examination-authorization.