Inventor
GEFFRIAUD JEAN-PAUL
FR4 patents
⚠️ This page may combine multiple inventors who share the name “GEFFRIAUD JEAN-PAUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SOLETANCHE
3 patentsUS4948301AAug 14, 1990
Device comprising a valve for injecting grout around or inside a tubular pile driven into the ground
SOLETANCHE11 citations71
US4902171AFeb 20, 1990
Process for reinforcing a driven tubular piling, the piling obtained by this process, an arrangement for implementing the process
SOLETANCHE12 citations71
US4909673AMar 20, 1990
Process and device for the injection of a slurry in the vicinity of the walls of a tubular pile driven into the ground
SOLETANCHE5 citations60