Inventor
HAUG WILLI
DE17 patents
⚠️ This page may combine multiple inventors who share the name “HAUG WILLI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FISCHER ARTUR WERKE GMBH
14 patentsUS5953879ASep 21, 1999
Composite anchor
FISCHER ARTUR WERKE GMBH20 citations92
US5730565AMar 24, 1998
Anchor bolt for anchoring with compound mass
FISCHER ARTUR WERKE GMBH24 citations92
US4993894AFeb 19, 1991
Drill
FISCHER ARTUR WERKE GMBH36 citations92
US5540527AJul 30, 1996
Drilling device having a radially displacable drill shank
FISCHER ARTUR WERKE GMBH22 citations87
US5033952AJul 23, 1991
Injection adapter
FISCHER ARTUR WERKE GMBH20 citations81
US5785462AJul 28, 1998
Anchoring cartridge for hardening multi-component composition
FISCHER ARTUR WERKE GMBH11 citations73
US5749963AMay 12, 1998
Hardenable mortar composition
FISCHER ARTUR WERKE GMBH10 citations73
US5316419AMay 31, 1994
Device for making a drilled hole with an undercut
FISCHER ARTUR WERKE GMBH17 citations73
US4992004AFeb 12, 1991
Injection adaptor for and a method of applying a corrosion protective agent to a fixing element anchored in a hole
FISCHER ARTUR WERKE GMBH16 citations73
US5079881AJan 14, 1992
Injection packer for injecting synthetic resin into cracks in concrete
FISCHER ARTUR WERKE GMBH13 citations68
US6715976B2Apr 6, 2004
Expansion anchor
FISCHER ARTUR WERKE GMBH3 citations62
US5551805ASep 3, 1996
Anchoring cartridge for anchoring a fastening element in a drilled hole
FISCHER ARTUR WERKE GMBH5 citations62
US5090848AFeb 25, 1992
Device for producing drilled holes with undercut
FISCHER ARTUR WERKE GMBH5 citations62
US5546725AAug 20, 1996
Composite anchor
FISCHER ARTUR WERKE GMBH1 citations51