Inventor
COLLINS CRAIG M
US10 patents
Patents
10 patentsUS7438141B2Oct 21, 2008
Automated, low profile drilling/bolting module with carousel
J H FLETCHER & CO9 citations91
US7428936B2Sep 30, 2008
Automated, low profile drilling/bolting module
J H FLETCHER & CO9 citations91
US7407344B2Aug 5, 2008
Automated, low profile drilling/bolting module with roof reference guide
J H FLETCHER & CO9 citations91
US7721816B1May 25, 2010
Drilling/bolting machine having a manual operator input device with enable switch and related methods
J H FLETCHER & CO7 citations73
US7428935B2Sep 30, 2008
Automated, low profile drilling/bolting module with manual bolt magazine
J H FLETCHER & CO7 citations72
US7428937B2Sep 30, 2008
Automated, low profile drilling/bolting module with gripper
J H FLETCHER & CO8 citations72
US7381012B2Jun 3, 2008
Automated, low profile drilling/bolting module with collaring
J H FLETCHER & CO8 citations72
US7704018B2Apr 27, 2010
Automated, low profile drilling/bolting module with automated stab jack
J H FLETCHER & CO3 citations61
US7600583B2Oct 13, 2009
Automated, low profile drilling/bolting module with collaring
J H FLETCHER & CO2 citations61
US7819609B2Oct 26, 2010
Automated, low profile drilling/bolting module with single button operation
J H FLETCHER & CO0 citations51