Connections of rods or tubular parts to flat surfaces at an angle

Official title: Connections of rods or tubular parts to flat surfaces at an angle ({with a part of or on one member entering a hole in the other and involving plastic deformation F16B17/006;} friction-grip releasable fastenings in general F16B2/00; making press-fit connections B23P11/00, B23P19/00; fluid-tight connecting of pipes to reservoirs, sheets, or the like F16L, e.g. joining pipes {or rods conveying fluids} to walls F16L41/00)

F16B9/00 (Connections of rods or tubular parts to flat surfaces at an angle) appears on 884 US grants and 724 published applications in this corpus.