| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | United Kingdom | 2 | |
| #3 | Brazil | 1 | |
| #4 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Explosive charges | |
| #2 | Earth drilling | |
| #3 | Perforating | |
| #4 | Blasting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Owen Harrold D | 4 |
| #2 | Hayes Scott L | 2 |
| #3 | Hancock Michael Porter | 2 |
| #4 | Davis Billy Frank | 2 |
| #5 | Hancock Michael P | 2 |
| #6 | Hayes Scott Leo | 2 |
| #7 | Davis Billy F | 2 |
| #8 | Rosenthal Wayne O | 2 |
| #9 | Mcneely John F | 1 |
| #10 | Rosenthal Wayne Odell | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4895249A | System and method for packaging detonating cord for transport | |
| US4586602A | Detonating cord transport system | |
| US4572289A | Electric wireline packer retriever apparatus | |
| US4724105A | Apparatus for cutting pipe and method pertaining thereto | |
| US4454814A | Select-fire systems and methods for perforating guns | |
| US4354433A | Apparatus for cutting pipe | |
| US4158388A | Method of and apparatus for squeeze cementing in boreholes |