| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Shafts | |
| #3 | Unspecified technologies | |
| #4 | Percussive tools | |
| #5 | Unspecified technologies | |
| #6 | Devices for applying fluent materials | |
| #7 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Morrison Ward D | 10 |
| #2 | Coombs Perry L | 7 |
| #3 | Bigoney Paul R | 3 |
| #4 | Michaud Arthur A | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US5937952A | Feed shell positioning mechanism | |
| US5720582A | Bolt delivery system with linear bolt magazine | |
| US5690449A | Tool base securing system | |
| US5556235A | Rock bolter | |
| US5494380A | Resin injector system | |
| AU7586494A | Rock bolter | |
| US5330012A | Feed shell lubrication manifold | |
| US5040618A | Pneumatic drill | |
| US4957171A | Pneumatic drill |