Inventor
Richard N. Chandler
Inventor
Houston, TX, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics55%
E21BEarth or rock drilling18%
G06FElectric digital data processing9%
G06KGraphical data reading9%
G06VImage or video recognition or understanding9%
PatentTitleYear
10,866,989Real time recommender modeling system, methods of construction, and methods of use20205,157,605'Induction logging method and apparatus including means for combining on-phase and quadrature components of signals received at varying frequencies and including use of multiple receiver means associated with a single transmitter'19924,873,488'Induction logging sonde with metallic support having a coaxial insulating sleeve member'19894,651,101'Induction logging sonde with metallic support'19874,427,944'System for permeability logging by measuring streaming potentials'19844,175,251'Nuclear magnetism logging method and system'19794,035,718'Enclosed nuclear-magnetism logging tool with compensated coil-isolating system'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1992Patents assigned to SCHLUMBERGER TECHNOLOGY CORP (6)· patent assignee history
1977–1992Based in Houston, TX, US· patent location history
1979Based in Danbury, CT, US· patent location history
2020Patents assigned to ARCHITECTURE TECH CORP (1)· patent assignee history
2020Based in Santa Cruz, CA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SCHLUMBERGER TECHNOLOGY CORP | 6 | 1977–1992 |
| ARCHITECTURE TECH CORP | 1 | 2020 |
Locations
| Location | Patents | Span |
|---|---|---|
| Houston, Texas, US | 5 | 1977–1992 |
| Santa Cruz, California, US | 1 | 2020 |
| Danbury, CT, US | 1 | 1979 |