Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic

Official title: Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, {i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing}; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions {(E01C19/08, E01C19/21, E01C21/00, E01C23/065 take precedence)}

E01C19/10 (Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic) appears on 546 US grants and 290 published applications in this corpus.