Inventor
Dennis Cisneros
Inventor
Kingwood, TX, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling100%
PatentTitleYear
7,703,557'Fixed cutter bit with backup cutter elements on primary blades'20106,533,051'Roller cone drill bit shale diverter'20036,510,909'Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty'20036,390,210'Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty'20025,967,245'Rolling cone bit having gage and nestled gage cutter elements having enhancements in materials and geometry to optimize borehole corner cutting duty'19995,915,486'Cutter element adapted to withstand tensile stress'19995,868,213'Steel tooth cutter element with gage facing knee'19995,853,055'Rock bit with an extended center jet'19985,839,526'Rolling cone steel tooth bit with enhancements in cutter shape and placement'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.
1998–2010Patents assigned to SMITH INTERNATIONAL (10)· patent assignee history
1998–2010Based in Kingwood, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SMITH INTERNATIONAL | 10 | 1998–2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kingwood, Texas, US | 10 | 1998–2010 |