Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146952 | Fluid pressure control valve device for a railway car | — | 1992-09-15 |
| 5144985 | Variable load valve for railway vehicles | — | 1992-09-08 |
| 5046921 | Moisture-removal device for a compressed air system | — | 1991-09-10 |
| 4957193 | Actuating cylinder having mechanical advantage | — | 1990-09-18 |
| 4951516 | Force multiplication mechanism | — | 1990-08-28 |
| 4949754 | Pressure control valve for railway vehicles | — | 1990-08-21 |
| 4917148 | Load dependent valve for railway vehicles | — | 1990-04-17 |
| 4883089 | Railway car pressure control valves | — | 1989-11-28 |
| 4678241 | Equalizer discharge valve for a railroad car air brake system | Mitsuhiro Ikeda | 1987-07-07 |
| 4655510 | Self-lapping type control valve device | Mitsugu Tsunazawa | 1987-04-07 |
| 4467832 | Cock | — | 1984-08-28 |
| 4375303 | Change-over valve device utilizing the lower pressure of a double input pressure system for increasing the degree of delivered operating pressure | — | 1983-03-01 |
| 4368752 | Compound check valve | Rikisaburo Nagai | 1983-01-18 |
| 4354518 | Diaphragm piston operated valve device | Yoichi Kuroda | 1982-10-19 |