| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Canada | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Control | |
| #4 | Measurement | |
| #5 | Engines, pumps and turbines | |
| #6 | Packaging and shipping |
| # | Name | Total Patents |
|---|---|---|
| #1 | Smietana James M | 4 |
| #2 | Perini Richard J | 3 |
| #3 | Frederick Thomas R | 2 |
| #4 | Caruso John T | 1 |
| #5 | Perini Richard Joseph | 1 |
| #6 | Craig Evan L | 1 |
| #7 | Kihlberg Markus C | 1 |
| #8 | Britton John David | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0017987D0 | Fluid containment sensor | |
| US5231959A | Intake or exhaust valve actuator | |
| US5253676A | Low Bernoulli force control orifice | |
| US5222521A | Hydraulic valve | |
| US5197516A | Hydraulic servo valve with controlled disengagement feature | |
| US5244002A | Spool position indicator | |
| US5099875A | Fluid flow regulator | |
| US5015000A | Floating seal arrangement | |
| US4899637A | Oscilatory hydraulic actuators with internal supply, return, and control passageways for multi-axis wrist actuator | |
| EP0124242A2 | Position transducer |