Inventor
WREDE STEFAN
DE12 patents
⚠️ This page may combine multiple inventors who share the name “WREDE STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LONGYEAR TM INC
7 patentsUS7997167B2Aug 16, 2011
Clamping and breaking device
LONGYEAR TM INC16 citations82
US10384907B2Aug 20, 2019
Wireline system and methods of using same
LONGYEAR TM INC15 citations81
US7779932B2Aug 24, 2010
Drill-string shock absorbers
LONGYEAR TM INC8 citations80
US8028613B2Oct 4, 2011
Valve system for drilling systems
LONGYEAR TM INC5 citations61
US7905299B2Mar 15, 2011
Articulation assembly for moving a drill mast
LONGYEAR TM INC4 citations61
US7770668B2Aug 10, 2010
Modular rotary drill head
LONGYEAR TM INC4 citations61
US10919726B2Feb 16, 2021
Wireline system and methods of using same
LONGYEAR TM INC0 citations58
WREDE STEFAN
4 patentsUS8118113B2Feb 21, 2012
Hydraulic control system for drilling systems
WREDE STEFAN7 citations75
US8408328B2Apr 2, 2013
Methods of controllling hydraulic motors
WREDE STEFAN2 citations60
US8172002B2May 8, 2012
Methods of controlling hydraulic motors
WREDE STEFAN2 citations60
US8113299B2Feb 14, 2012
Drill mast articulation assembly
WREDE STEFAN3 citations60