| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Measurement | |
| #4 | Packaging and shipping | |
| #5 | Control | |
| #6 | Transport | |
| #7 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Venting or aerating devices | |
| #3 | Measuring force, work and fluid pressure | |
| #4 | Cranes | |
| #5 | Earth drilling | |
| #6 | Vehicle tyre repairing | |
| #7 | Servomotors | |
| #8 | Alarm systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Bergeron Ned A | 6 |
| #2 | Hoofnagle Frank M | 3 |
| #3 | Theriot Gerold F | 2 |
| #4 | Theriot Gerald F | 2 |
| #5 | Stollberg Theodore A | 2 |
| #6 | Bergeron Ned | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US4535899A | Boom warning actuator | |
| US4596980A | Light-emitting indicator | |
| US4470367A | First out fluid pressure indicator | |
| US4499846A | Plunger and transparent indicator | |
| US4424909A | Crane boom warning actuator | |
| US4375789A | First out indicator | |
| US4121615A | Valve control with indicator | |
| US4094340A | Relay lock-out | |
| US3963050A | Pneumatic relay | |
| US4004610A | Line control | |
| US3863672A | Dual action pilot | |
| US3877484A | Pneumatic relay |