| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 8 | |
| #2 | United States | 5 | |
| #3 | Australia | 2 | |
| #4 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Mechanical elements | |
| #3 | Machines | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Clutches and brakes | |
| #4 | Pipes | |
| #5 | Venting or aerating devices | |
| #6 | Servomotors | |
| #7 | Cyclically operating valves | |
| #8 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lea-Wilson Mark A | 7 |
| #2 | Mcassey Shane | 6 |
| #3 | Makelki Thomas | 4 |
| #4 | Lea-Wilson Mark | 3 |
| #5 | Fajayan Dan Brian F | 2 |
| #6 | Salomons Ken | 2 |
| #7 | Geusebroek Mark | 2 |
| #8 | Makelki Leroy A | 1 |
| #9 | Lauder Arthur W | 1 |
| #10 | Anderson Ben | 1 |
| Publication | Filing date | Title |
|---|---|---|
| WO2018132915A1 | Sucker rod centralizer | |
| AU2017251111A1 | Centralizer | |
| US2016178099A1 | Swivel joint for pipes | |
| CA2875566A1 | Swivel joint for pipes | |
| CA2760149A1 | Shearing mechanisms for downhole tools | |
| CA2754645A1 | Sucker rod centralizer | |
| CA2640797A1 | Control system for reciprocating device | |
| CA2639266A1 | Control system for reciprocating device | |
| CA2631861A1 | Pump jack assembly | |
| US2008178946A1 | Excess flow valve | |
| CA2575876A1 | Excess flow valve | |
| US6263777B1 | Control system for reciprocating device |