| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United States | 4 | |
| #3 | Australia | 1 | |
| #4 | Germany | 1 | |
| #5 | Denmark | 1 | |
| #6 | Spain | 1 | |
| #7 | France | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Italy | 1 | |
| #10 | Japan | 1 | |
| #11 | Mexico | 1 | |
| #12 | Netherlands | 1 | |
| #13 | Sweden | 1 | |
| #14 | USSR (Union of Socialist Soviet Republics) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport | |
| #5 | Packaging and shipping | |
| #6 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Pumps | |
| #3 | Positive-displacement engines | |
| #4 | Unspecified technologies | |
| #5 | Gearing | |
| #6 | Motor vehicles | |
| #7 | Cranes | |
| #8 | Earth drilling |
| # | Name | Total Patents |
|---|---|---|
| #1 | Saruwatari Minoru | 6 |
| #2 | Saruwatari M | 2 |
| #3 | Ewert Russ J | 2 |
| #4 | Hult Vern | 1 |
| #5 | Suruwatari M | 1 |
| #6 | Asak Kare | 1 |
| #7 | Minoru Saruwatari | 1 |
| #8 | Pusch Allen A | 1 |
| #9 | Pusch Allen | 1 |
| #10 | Ewert Russ | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2115004A1 | Pilot bit for use in auger bit assembly | |
| CA1138229A | Sprocket wheel | |
| CA1076926A | Pump jack device | |
| US4114375A | Pump jack device | |
| US4116467A | Outrigger | |
| CA1032064A | Pump jack device |