| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | United States | 2 | |
| #5 | Australia | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Sweden | 1 | |
| #8 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Robinson John Brian | 5 |
| #2 | Robinson John B | 3 |
| #3 | Brian Robinson John | 2 |
| #4 | Robinson J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| AU2403884A | Core orientation instrument | |
| DE1905209A1 | Well measuring device | |
| US3618221A | Borehole survey means and core sample orienting means | |
| FR1457959A | Core puller and its adapter for geological reconnaissance drilling | |
| GB1121867A | Improvements in or relating to core lifters for rotary core drills | |
| US3328068A | Lifter for rotary core drills | |
| CA851046A | Core lifter | |
| CA901794A | Borehole survey means and core sample orientating means |