| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Victor Bruce M | 10 |
| #2 | Giacomino Jeffrey L | 5 |
| Publication | Filing date | Title |
|---|---|---|
| US2009032243A1 | Polymer shock absorber for use with well head lubricator assembly | |
| US2007151738A1 | Slidable sleeve plunger | |
| US2006249284A1 | Liquid aeration plunger | |
| CA2504503A1 | Variable orifice bypass plunger | |
| US2005241819A1 | Variable orifice bypass plunger | |
| US2005230120A1 | Sand plunger | |
| US7328748B2 | Thermal actuated plunger | |
| US7690425B2 | Data logger plunger and method for its use | |
| US2006124294A1 | Internal shock absorber bypass plunger | |
| US2006124292A1 | Internal shock absorber plunger | |
| US7383878B1 | Multi-part plunger |