Inventor
LEVEFELT BERT G
SE8 patents
⚠️ This page may combine multiple inventors who share the name “LEVEFELT BERT G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SANDVIK AB
5 patentsUS4183417AJan 15, 1980
Roller bit seal excluded from cuttings by air discharge
SANDVIK AB35 citations91
US4784517ANov 15, 1988
Method and device for working of road surfaces
SANDVIK AB45 citations89
US4284151AAug 18, 1981
Lubricating device
SANDVIK AB9 citations72
US4272134AJun 9, 1981
Rotary drill bit
SANDVIK AB18 citations72
US4184554AJan 22, 1980
Check valve for rock drill
SANDVIK AB12 citations72