Inventor
Nathan Kathol
Inventor
Chestermere, CA
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling58%
F16JPistons17%
F16LPipes8%
G01VGeophysics8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
10,436,325Integrated seal backup system20199,739,112'Downhole packer'20179,581,724'Method for making a coiled tubing assembly'20178,646,533'Mechanical sliding sleeve'20148,444,183'Barrier seal and assembly incorporating same'20137,510,019'Forming a metal-to-metal seal in a well'20097,185,704'Service tool with flow diverter and associated method'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2017Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (5)· patent assignee history
2007–2019Based in Chestermere, CA· patent location history
2013–2014Patents assigned to KATHOL NATHAN (2)· patent assignee history
2013–2014Patents assigned to NGUY VI JIM (2)· patent assignee history
2013Patents assigned to POPILIAN CONSTANTIN VASILE (1)· patent assignee history
2019Patents assigned to KX OIL TOOLS INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 5 | 2007–2017 |
| KATHOL NATHANself | 2 | 2013–2014 |
| NGUY VI JIM | 2 | 2013–2014 |
| KX OIL TOOLS INC | 1 | 2019 |
| POPILIAN CONSTANTIN VASILE | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chestermere, CA | 7 | 2007–2019 |