This paper discusses the use of patent landscapes as a tool for collecting information and identifying development trends of multispeed hydromechanical transmissions and presents a method of collecting data for patent maps drafting. The main attention is paid to planetary gearboxes. which are widely used in high-power transmissions of tractors and dump trucks. as well as in modern pas... https://yeswellneses.shop/product-category/natural-laundry-care/