Inventor

PIISPANEN JUHA

FI7 patents

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

KESKINIVA MARKKU

3 patents

US9108311B2Aug 18, 2015

Percussion device

KESKINIVA MARKKU3 citations60

US9067310B2Jun 30, 2015

Sealing arrangement in rotating control valve of pressure fluid-operated percussion device

KESKINIVA MARKKU2 citations60

US9138879B2Sep 22, 2015

Method and arrangement for lubricating drill shank of rock drilling machine

KESKINIVA MARKKU0 citations39

SANDVIK MINING & CONSTR OY

2 patents

US7836969B2Nov 23, 2010

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

SANDVIK MINING & CONSTR OY4 citations61

US7743851B2Jun 29, 2010

Method and rock drilling rig for hole drilling

SANDVIK MINING & CONSTR OY0 citations51

SANDVIK MINING & CONSTRUCTION OY

2 patents

US11118402B2Sep 14, 2021

Rock drilling machine, rock drilling rig and measuring method

SANDVIK MINING & CONSTRUCTION OY0 citations54

US12270299B2Apr 8, 2025

Scraper, rock drilling unit and method

SANDVIK MINING & CONSTRUCTION OY0 citations50