Boring or penetrating the earth
Bit or bit element
Rolling cutter bit or rolling cutter bit element
Inventor
active
Bearings grease for rock bit bearings
Conformal bearing for rock drill bit
Drilling tool with elastomer seal having graded properties
Earth-boring bit with improved bearing seal
Earth-boring bit with improved bearing seal
No associations
LandOfFree
Terry J. Koltermann does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Terry J. Koltermann, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Terry J. Koltermann will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-743297