Inventor
Walter Rothrock
Inventor
New Caney, TX, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B24Dprimary
B24DTools for grinding, buffing or sharpening25%
E21BEarth or rock drilling25%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C22CAlloys13%
C23FNon-mechanical removal of metallic material from surface13%
C25FProcesses for the electrolytic removal of materials from objects13%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2015–2020Patents assigned to NAT OILWELL VARCO LP (2)· patent assignee history
2015–2020Based in New Caney, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NAT OILWELL VARCO LP | 2 | 2015–2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| New Caney, Texas, US | 2 | 2015–2020 |