Inventor
Per I. Nese
Inventor
Houston, TX, US
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
7,152,701'Cutting element structure for roller cone bit'20066,510,909'Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty'20036,484,826'Engineered enhanced inserts for rock drilling bits'20026,460,636'Drill bit inserts with variations in thickness of diamond coating'20026,460,637'Engineered enhanced inserts for rock drilling bits'20026,419,034'Engineered enhanced inserts for rock drilling bits'20026,390,210'Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty'20026,199,645'Engineered enhanced inserts for rock drilling bits'20016,059,054'Non-symmetrical stress-resistant rotary drill bit cutter element'20005,967,245'Rolling cone bit having gage and nestled gage cutter elements having enhancements in materials and geometry to optimize borehole corner cutting duty'19995,853,055'Rock bit with an extended center jet'19985,833,020'Rolling cone bit with enhancements in cutter element placement and materials to optimize borehole corner cutting duty'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2006Patents assigned to SMITH INTERNATIONAL (12)· patent assignee history
1998–2003Based in Houston, TX, US· patent location history
2002Based in Aberdeen, GB· patent location history
2006Based in Calgary, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SMITH INTERNATIONAL | 12 | 1998–2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 10 | 1998–2003 |
| Calgary, CA | 1 | 2006 |
| Aberdeen, GB | 1 | 2002 |