Inventor
Nataraj CHINNAPPAN
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 drilling33%
F03BMachines or engines for liquids33%
F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023Patents assigned to HALLIBURTON ENERGY SERVICES INC (1)· patent assignee history
2023Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HALLIBURTON ENERGY SERVICES INC | 1 | 2023 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 1 | 2023 |