Inventor
HAU PAUL W
US7 patents
⚠️ This page may combine multiple inventors who share the name “HAU PAUL W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EARTH TOOL CO LLC
6 patentsUS6568488B2May 27, 2003
Roller pipe burster
EARTH TOOL CO LLC100 citations97
US7048257B2May 23, 2006
Winch with telescoping mast
EARTH TOOL CO LLC21 citations92
US6755593B2Jun 29, 2004
Pipe replacement method and rotary impact mechanism for pipe bursting
EARTH TOOL CO LLC38 citations92
US7175367B2Feb 13, 2007
Cable pulling machine
EARTH TOOL CO LLC27 citations90
US7500651B2Mar 10, 2009
Portable winch
EARTH TOOL CO LLC8 citations83
US7490814B2Feb 17, 2009
Cable pulling machine
EARTH TOOL CO LLC3 citations60