| 4830589 |
Variable stroke positive displacement pump |
— |
1989-05-16 |
| 4732175 |
Surge suppressor |
— |
1988-03-22 |
| 4721444 |
Fluid pump incorporating pulsation dampener surrounding its shaft |
— |
1988-01-26 |
| 4712584 |
Surge suppressor |
— |
1987-12-15 |
| 4568318 |
Belt tensioning apparatus for belt/pulley drive system |
Carl Johnson |
1986-02-04 |
| 4498372 |
Pump with ring retained floating wrist pins and connecting rods |
— |
1985-02-12 |
| 4381179 |
Pumps with floating wrist pins |
— |
1983-04-26 |
| D264086 |
Triplex piston pump |
— |
1982-04-27 |
| D263843 |
Piston pump |
— |
1982-04-13 |
| 4292990 |
High pressure unloader valve |
— |
1981-10-06 |
| 4284392 |
Roller pump with radial members |
— |
1981-08-18 |
| 4242063 |
High pressure multi-cylinder pump |
— |
1980-12-30 |
| 4242062 |
Dual piston pump with pressure seal lubrication feature |
— |
1980-12-30 |
| 4199305 |
Hydraulic Gerotor motor with balancing grooves and seal pressure relief |
— |
1980-04-22 |
| 4185938 |
Locking collar for power take-off mounted shafts |
— |
1980-01-29 |
| 4184817 |
High pressure multi-cylinder pump |
— |
1980-01-22 |