| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 21 | |
| #2 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Packaging and shipping | |
| #4 | Environmental technology | |
| #5 | Basic materials chemistry | |
| #6 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Winches | |
| #4 | Climate change adaptation technologies | |
| #5 | Hydraulic engineering | |
| #6 | Unspecified technologies | |
| #7 | Materials for miscellaneous applications | |
| #8 | Pipes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wilms Carl A | 5 |
| #2 | Turner John W Jr | 4 |
| #3 | Scott Lyle B | 3 |
| #4 | Barron Charles D | 3 |
| #5 | Shirvany John A | 2 |
| #6 | Geczy Bela | 2 |
| #7 | Smith Roger Jr | 2 |
| #8 | Flick Howard S | 2 |
| #9 | Langowski Faustyn C | 2 |
| #10 | Barron C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA964161A | Tubing tong hydraulic drive system | |
| CA956863A | Plurally energized power tongs | |
| CA967943A | Combined back-up tong and power tong with joint motion compensation | |
| CA966115A | Reverse stop for power tongs | |
| CA965772A | Chain actuated pipe tongs | |
| CA959478A | Displacement control system for hoist apparatus | |
| CA955494A | Undersea well test tree control valve and system | |
| CA961480A | Control for well pipe racks and the like | |
| US3804268A | Marine platform structure |