Inventor
GESSAY JEAN CLAUDE
FR9 patents
⚠️ This page may combine multiple inventors who share the name “GESSAY JEAN CLAUDE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIF ENTREPRISE
4 patentsUS4930940AJun 5, 1990
System for guiding the excavation tool used for constructing a wall cast in the ground
SIF ENTREPRISE29 citations89
US4662792AMay 5, 1987
Method and device for the in-situ formation of columns of stabilized and compacted soil
SIF ENTREPRISE24 citations80
US5738465AApr 14, 1998
Device for the in-situ production of columns of stabilized and compacted soil
SIF ENTREPRISE15 citations71
US5263798ANov 23, 1993
Process for guiding the excavation tool used for the construction of a wall cast in the ground, and excavation tool for implementing this process
SIF ENTREPRISE14 citations71
CIE DU SOL
4 patentsUS6839989B2Jan 11, 2005
Drilling apparatus for hard ground
CIE DU SOL13 citations81
US6839988B2Jan 11, 2005
Drilling apparatus for hard ground
CIE DU SOL7 citations72
US6648084B2Nov 18, 2003
Head for injecting liquid under pressure to excavate the ground
CIE DU SOL12 citations68
US7000714B2Feb 21, 2006
Head for injecting a fluid under pressure to break up ground from a borehole
CIE DU SOL5 citations58