Inventor
Christopher Yim Chau
Inventor
Plano, TX, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Mprimary
A61MDevices for introducing media into, or onto, the body67%
E21BEarth or rock drilling33%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013Patents assigned to BADILLO JOSE ANTONIO (1)· patent assignee history
2013Patents assigned to CHAU CHRISTOPHER YIM (1)· patent assignee history
2013Patents assigned to FRESENIUS MED CARE HLDG INC (1)· patent assignee history
2013Based in Pharr, TX, US· patent location history
2019Patents assigned to FRESENIUS MEDICAL CARE HOLDINGS INC (1)· patent assignee history
2019Based in Mission, TX, US· patent location history
2021Patents assigned to HALLIBURTON ENERGY SERVICES INC (1)· patent assignee history
2021Based in Plano, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BADILLO JOSE ANTONIO | 1 | 2013 |
| CHAU CHRISTOPHER YIMself | 1 | 2013 |
| FRESENIUS MED CARE HLDG INC | 1 | 2013 |
| FRESENIUS MEDICAL CARE HOLDINGS INC | 1 | 2019 |
| HALLIBURTON ENERGY SERVICES INC | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Plano, Texas, US | 1 | 2021 |
| Mission, Texas, US | 1 | 2019 |
| Pharr, Texas, US | 1 | 2013 |