Inventor
SAMUEL F. HAWORTH
Inventor
US
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
11,142,970Bit change mechanism for a drill rig2021Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2021Patents assigned to JOY GLOBAL SURFACE MINING INC (1)· patent assignee history
2021Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| JOY GLOBAL SURFACE MINING INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 1 | 2021 |