Inventor
Patrick Williamson
Inventor
Houston, TX, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling42%
F16LPipes25%
A61KPreparations for medical, dental or toiletry purposes8%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations8%
C07DHeterocyclic compounds8%
G01RMeasuring electric variables8%
PatentTitleYear
11,028,948Tubular coupling202110,927,663Method of fault detection and recovery in a tubing string located in a hydrocarbon well, and apparatus for same20219,975,900Substituted imidazo[1,2-a]pyrazines for treating spinal muscular atrophy20189,970,576Tubular coupling20189,683,684'Tubular coupling'20176,032,740'Hook mill systems'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000Patents assigned to WEATHERFORD LAMB (1)· patent assignee history
2000Based in Kingwood, TX, US· patent location history
2017–2021Patents assigned to CERTUS ENERGY SOLUTIONS LLC (3)· patent assignee history
2017–2021Based in Houston, TX, US· patent location history
2018Patents assigned to HOFFMANN LA ROCHE (1)· patent assignee history
2018Based in Basel, CH· patent location history
2021Patents assigned to NCS MULTISTAGE INC (1)· patent assignee history
2021Based in Calgary, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CERTUS ENERGY SOLUTIONS LLC | 3 | 2017–2021 |
| HOFFMANN LA ROCHE | 1 | 2018 |
| NCS MULTISTAGE INC | 1 | 2021 |
| WEATHERFORD LAMB | 1 | 2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 3 | 2017–2021 |
| Calgary, CA | 1 | 2021 |
| Basel, CH | 1 | 2018 |
| Kingwood, Texas, US | 1 | 2000 |