Devices for laying inserting or positioning reinforcing elements or dowel bars with

Official title: Devices for laying {inserting or positioning} reinforcing elements or dowel bars {with or without joint bodies (installing or inserting joint bodies per se E01C23/023, E01C23/026)}; Removable supports for reinforcing {or load transfer} elements (non- removable supports therefor {E01C11/02} E01C11/16; side forms adapted to supporting reinforcement E01C19/50); Devices, e.g. removable forms, for making essentially horizontal ducts in paving, e.g. for prestressed reinforcements

E01C23/04 (Devices for laying inserting or positioning reinforcing elements or dowel bars with) appears on 110 US grants and 81 published applications in this corpus.