| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Transport | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Servomotors | |
| #2 | Unspecified technologies | |
| #3 | Physical training equipment | |
| #4 | Venting or aerating devices | |
| #5 | Vehicle suspension arrangements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leonard Willie B | 16 |
| Publication | Filing date | Title |
|---|---|---|
| US2006199658A1 | Multi-pocket golf net assembly with multiple target sheath configurations | |
| US4779512A | Rotary drive spool valve | |
| US4623003A | Hydraulically actuated spool valve | |
| US4593719A | Spool valve | |
| US4637474A | Tractor and towed implement with elevation control system for implement including pressure responsive valve actuator | |
| US4283990A | Fluidic repeater | |
| US4355506A | Pump-motor power limiter and pressure relief | |
| US4335645A | Fluidic repeater | |
| US4254689A | Fluidic repeater | |
| US4265331A | Fluidic repeater | |
| US4227440A | Fluidic repeater | |
| US4137825A | Fluidic repeater | |
| US4094229A | Fluidic repeater | |
| CA1045980A | Fluidic repeater |