Inventor
RUPP MICHAEL D
US37 patents
⚠️ This page may combine multiple inventors who share the name “RUPP MICHAEL D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LONGYEAR TM INC
26 patentsUS7695542B2Apr 13, 2010
Fiber-containing diamond-impregnated cutting tools
LONGYEAR TM INC112 citations98
US8051929B2Nov 8, 2011
Core drill bits with enclosed fluid slots
LONGYEAR TM INC27 citations95
US7828090B2Nov 9, 2010
Drill bits with enclosed fluid slots and internal flutes
LONGYEAR TM INC39 citations95
US7628228B2Dec 8, 2009
Core drill bit with extended crown height
LONGYEAR TM INC45 citations95
USD647115SOct 18, 2011
Drill bit waterway
LONGYEAR TM INC15 citations92
USD647114SOct 18, 2011
Drill bit with tapered waterway
LONGYEAR TM INC13 citations92
US7975785B2Jul 12, 2011
Drilling systems including fiber-containing diamond-impregnated cutting tools
LONGYEAR TM INC12 citations92
US7918288B2Apr 5, 2011
Drill bits with enclosed fluid slots and method
LONGYEAR TM INC24 citations92
USD630656SJan 11, 2011
Drill bit
LONGYEAR TM INC22 citations92
USD622745SAug 31, 2010
Drill bit with tapered waterway
LONGYEAR TM INC13 citations92
US10077609B2Sep 18, 2018
Drill bits having flushing
LONGYEAR TM INC8 citations84
US9074429B2Jul 7, 2015
Drill bits with axially-tapered waterways
LONGYEAR TM INC7 citations84
US7874384B2Jan 25, 2011
Drill bits with increased crown height
LONGYEAR TM INC8 citations83
US8025107B2Sep 27, 2011
Reamer with polycrystalline diamond compact inserts
LONGYEAR TM INC8 citations80
US10702975B2Jul 7, 2020
Drilling tools having matrices with carbide-forming alloys, and methods of making and using same
LONGYEAR TM INC5 citations73
US9637980B2May 2, 2017
Diamond impregnated bit with aggressive face profile
LONGYEAR TM INC4 citations73
US9500036B2Nov 22, 2016
Single-waterway drill bits and systems for using same
LONGYEAR TM INC3 citations73
US9279292B2Mar 8, 2016
Drill bits having flushing and systems for using same
LONGYEAR TM INC6 citations73
US7958954B2Jun 14, 2011
Drill bits with enclosed slots
LONGYEAR TM INC6 citations73
US7909119B2Mar 22, 2011
Drill bits with notches and enclosed slots
LONGYEAR TM INC6 citations73
US9540883B2Jan 10, 2017
Fiber-containing diamond-impregnated cutting tools and methods of forming and using same
LONGYEAR TM INC2 citations72
US8006783B2Aug 30, 2011
Helical drilling apparatus, systems, and methods
LONGYEAR TM INC4 citations63
US9506298B2Nov 29, 2016
Drill bits having blind-hole flushing and systems for using same
LONGYEAR TM INC2 citations62
US9903165B2Feb 27, 2018
Drill bits with axially-tapered waterways
LONGYEAR TM INC0 citations52
US9234399B2Jan 12, 2016
Impregnated drill bits with integrated reamers
LONGYEAR TM INC1 citations52
US9404311B2Aug 2, 2016
Fiber-containing diamond-impregnated cutting tools and methods of forming and using same
LONGYEAR TM INC0 citations51
DRIVDAHL KRISTIAN S
3 patentsUS8191445B2Jun 5, 2012
Methods of forming fiber-containing diamond-impregnated cutting tools
DRIVDAHL KRISTIAN S11 citations91
US8146686B2Apr 3, 2012
Fiber-containing cutting tools
DRIVDAHL KRISTIAN S7 citations82
US8783384B2Jul 22, 2014
Fiber-containing diamond-impregnated cutting tools and methods of forming and using same
DRIVDAHL KRISTIAN S3 citations72
RUPP MICHAEL D
3 patentsUS9267332B2Feb 23, 2016
Impregnated drilling tools including elongated structures
RUPP MICHAEL D3 citations71
US8616303B2Dec 31, 2013
Helical drilling apparatus, systems, and methods
RUPP MICHAEL D5 citations71
US9421671B2Aug 23, 2016
Infiltrated diamond wear resistant bodies and tools
RUPP MICHAEL D1 citations50