| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 4 | |
| #3 | Germany | 4 | |
| #4 | United Kingdom | 4 | |
| #5 | France | 3 | |
| #6 | Netherlands | 2 | |
| #7 | Sweden | 2 | |
| #8 | Belgium | 1 | |
| #9 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Measurement | |
| #4 | Surface technology and coating | |
| #5 | Biotechnology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Payne William J | 7 |
| #2 | Johnson Kenneth L | 3 |
| #3 | Johnson R C | 2 |
| #4 | Johnson Robert Carol | 2 |
| #5 | Mosow J E | 2 |
| #6 | Johnson R | 1 |
| #7 | Johnson Robert C | 1 |
| #8 | Mosow Jack E | 1 |
| #9 | Uiriamu Jiei Pein | 1 |
| #10 | Johnson Kenneth Liebold | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4170163A | Visual indicator | |
| US4100666A | Assembly method | |
| US4041776A | Strain indicator | |
| GB1540125A | Strain indicators | |
| US4016762A | Temperature indicator | |
| US3908508A | Strain indicator | |
| US3964299A | Strain indicator | |
| GB1419523A | Strain indicators | |
| US3850133A | Strain indicator and method | |
| US3799108A | Strain indicator and method | |
| GB1212315A | Torque locknut | |
| US3441073A | Locknut | |
| CA860082A | Torque locknut | |
| CA856009A | Lock nut |