Inventor

AHOLA ERKKI

FI18 patents

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

AHOLA ERKKI

SANDVIK MINING & CONSTR OY

Method for controlling percussion device, software production, and percussion device

Method of generating stress pulse in tool by means of pressure fluid operated impact device, and impact device

Pressure-fluid-operated percussion device

Impact device with a rotable control valve

Method for controlling pressure fluid operated percussion device, and percussion device

Percussion device with a transmission element compressing an elastic energy storing material

Percussion device with a transmission element compressing an elastic energy storing material

Method and rock drilling rig for hole drilling

SANDVIK TAMROCK OY

Impact device

Control valve and a method for a percussion device with a working cycle involving several coupling moments

KESKINIVA MARKKU

Impact device and method for generating stress pulse therein

Percussion device

SANDVIK MINING & CONSTRUCTION OY

Method and equipment for small-charge blasting

Method for breaking rock

HIAB AB

Vehicle accessory arrangement

Vehicle comprising a vehicle accessory arrangement

SAHDVIK TAMROCK OY

Control valve in a percussion device and a method comprising a closed pressure space at the end position of the piston

AHOLA ERKKI

Method and apparatus for small-charge blasting