John W Chisholm
Inventor
Stats
- 3 US patents issued
- 3 US Applications filed
- most recent filing
This is official USPTO record data
Details
- 3 US Patents Issued
- 3 US Applications Filed
- 151 Total Citation Count
- Dec 5, 2001 Most Recent Filing
- Jan 17, 1990 Earliest Filing
Work History
| Patent Owner | Applications Filed | Year |
|---|---|---|
| CORE LABORATORIES LP | 1
1 | 1990
1995 |
| Nova Construction Company Limited | 2
| 2001
|
Inventor Addresses
| Address | Duration |
|---|---|
| Antigonish, CA | Nov 25, 03 - Nov 25, 03 |
| Houston, TX | Sep 17, 91 - Mar 04, 97 |
| Nova Scotia, CA | Mar 06, 03 - Mar 06, 03 |
Technology Profile
| Technology | Matters | |
|---|---|---|
| E21C: | MINING OR QUARRYING | 1 |
| G01V: | GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS | 1 |
| G21H: | OBTAINING ENERGY FROM RADIOACTIVE SOURCES; APPLICATIONS OF RADIATION FROM RADIOACTIVE SOURCES; UTILISING COSMIC RADIATION | 1 |
Patents / Publication
| Patents / Publication # | Year of Publication / Issued | Title | Citations |
|---|---|---|---|
| 6652035 | 2003 | Highwall mining system | 6 |
| 2003/0042,784 | 2003 | Highwall mining system | 3 |
| 5608214 | 1997 | Gamma ray spectral tool for well logging | 27 |
| 5049743 | 1991 | Surface located isotope tracer injection apparatus | 79 |
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