Inventor
BISE DOUGLAS E
US10 patents
⚠️ This page may combine multiple inventors who share the name “BISE DOUGLAS E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KENNAMETAL INC
8 patentsUS6595305B1Jul 22, 2003
Drill bit, hard member, and bit body
KENNAMETAL INC112 citations94
US6945340B2Sep 20, 2005
Roof bit and insert assembly
KENNAMETAL INC18 citations92
US6915867B2Jul 12, 2005
Earth penetrating rotary drill bit with helical ports
KENNAMETAL INC33 citations92
US6684968B2Feb 3, 2004
Roof bit body and insert assembly
KENNAMETAL INC25 citations92
US6860344B2Mar 1, 2005
Monolithic roof cutting bit insert
KENNAMETAL INC24 citations91
US7207400B2Apr 24, 2007
Coupler and roof drill bit assembly using such coupler
KENNAMETAL INC25 citations88
US6886645B2May 3, 2005
Liquid seal for wet roof bit
KENNAMETAL INC16 citations82
US7708087B2May 4, 2010
Countersink roof bit drill and method for using the same
KENNAMETAL INC2 citations56