need help on more infromation on bicycle rims?

17, if i was planning to design my own bicycle rims, who do i go to check the safety standard’s and role for the USA?18. what is the standard rims weight for all bicycle?19.what is the standard weight for the hubs?20.question, if i pick one manufactures from let say china, and they make one rims for me, and the rims brake who is fault and what do the manufacturers in china need to fellow what American safety rules standards and what form do i need from them?21. if i planned to design my own bicycle rims, do i need and patent and if i was planning to design more, do i need additional patent on each design rims, and why!22. if the china manufactures back this rims, are they at fault on the damages or if it breaks during jumping up and down, just example!23. is there and tool/mound to make the bicycle rims for me and what is the price, if you know.