Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Pipe connector having a connecting portion formed onto one pipe end

Pipe connector having a connecting portion formed onto one pipe end

US Patent 6237968 · Granted May 29, 2001

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hydraulically operated unit for roof support1987
Peripherally flexible prop arch for mining tracks, tunnels or the like1986
Method of and arrangement for loosening, loading and transporting of stratified 1986
Shut-off valve1986
Clamping connection device for flanged through sections of support structures1986
Arrangement for supplying of consumers with pressure fluids1986
Rock anchor arrangement1986
Hydraulic prop1986
Wall element for an underground gallery1984
Rock anchoring arrangement1984
Chain bucket conveyor1984
Arrangement for erecting columnar supporting elements for underground excavation1982