Inventor

STRYFFELER DAVID

US3 patents

⚠️ This page may combine multiple inventors who share the name “STRYFFELER DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JOY MM DELAWARE INC

2 patents

US9920624B2Mar 20, 2018

System and method of detecting dull and worn cutter bits

JOY MM DELAWARE INC5 citations75

US10227869B2Mar 12, 2019

System and method of detecting dull and worn cutter bits

JOY MM DELAWARE INC0 citations43

STRYFFELER DAVID

1 patent

US8967728B2Mar 3, 2015

Method of controlling a miner to cause wobble in the cutting heads

STRYFFELER DAVID1 citations39