| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | France | 2 | |
| #3 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Measurement | |
| #3 | Machines | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Measuring length, angles and areas | |
| #3 | Unspecified technologies | |
| #4 | Pipes | |
| #5 | Blasting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Anderson Clifford E | 4 |
| #2 | Dieckman Harry E | 3 |
| #3 | Kinley Myron M | 3 |
| #4 | Kinley John C | 3 |
| #5 | Kinley Karl S | 3 |
| #6 | Pratt Allyn R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4624307A | Explosive perforating tool | |
| US4572288A | Time-delayed ignition system for a down-hole explosive tool | |
| US4557327A | Roller arm centralizer | |
| GB2068120A | Gauging internal dimensions of pipes | |
| US4320579A | Calipering tool | |
| US4299033A | Calipering tool | |
| US3472535A | Automatic pipe slip apparatus | |
| US3424244A | Collapsible support and assembly for casing or tubing liner or patch | |
| US3411597A | Safety shear pin assembly |