SCIENTIFIC DRILLING INTERNATIONAL, INC.
Patent Owner
Stats
- 34 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- Mar 13, 2018 most recent publication
Details
- 34 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 1,303 Total Citation Count
- May 04, 1978 Earliest Filing
- 27 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
Upgrade to the Professional Level to View Top Patents for this Owner. Learn More |
Recent Publications
Publication #
Title
Filing Date
Pub Date
Intl Class
2017/0321,539 METHOD FOR WELLBORE RANGING AND PROXIMITY DETECTIONMay 09, 17Nov 09, 17[G01N, G01S, E21B, G01V]
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
9726008 Sub-surface formation boundary detection using an electric-field borehole telemetry apparatusDec 19, 14Aug 08, 17[E21B]
9598906 Method and apparatus for vibrating horizontal drill string to improve weight transferJul 23, 12Mar 21, 17[E21B]
9448329 Method to determine local variations of the earth's magnetic field and location of the source thereofSep 09, 13Sep 20, 16[E21B, G01V]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
7576532 Motion transducer for motion related to the direction of the axis of an eddy-current displacement sensorExpiredFeb 20, 07Aug 18, 09[G01P, G01B]
2008/0034,856 Reduced-length measure while drilling apparatus using electric field short range data transmissionAbandonedJun 21, 07Feb 14, 08[G08C, E21B]
2007/0237,281 Neutron generator tube having reduced internal voltage gradients and longer lifetimeAbandonedAug 30, 05Oct 11, 07[G21G]
7028409 Method for computation of differential azimuth from spaced-apart gravity component measurementsExpiredApr 27, 04Apr 18, 06[G01V]
6816788 Inertially-stabilized magnetometer measuring apparatus for use in a borehole rotary environmentExpiredJan 09, 03Nov 09, 04[G01V]
5590714 Multi-mode cushioning an instrument suspended in a wellExpiredFeb 15, 96Jan 07, 97[G01D, E21B]
5520246 Multi-mode cushioning an instrument suspended in a wellExpiredNov 14, 94May 28, 96[G01D, E21B]
5366018 Miniature rope socket assembly for combined mechanical and electrical connection in a borehole wirelineExpiredAug 16, 93Nov 22, 94[H01R, E01B]
5155916 Error reduction in compensation of drill string interference for magnetic survey toolsExpiredMar 21, 91Oct 20, 92[E21B]
5130706 Direct switching modulation for electromagnetic borehole telemetryExpiredApr 22, 91Jul 14, 92[G01V]
Top Inventors for This Owner
Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More |
We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!
We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.