Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4965042 | Inherently flushing piston rod for a reciprocating pump | Wilbur C. Smith | 1990-10-23 |
| 4963077 | Profiled plunger for a reciprocating pump | Wilbur C. Smith | 1990-10-16 |
| 4921409 | High pressure reciprocating pump | — | 1990-05-01 |
| 4906167 | Inherently flushing piston rod for a reciprocating pump | Wilbur C. Smith | 1990-03-06 |
| 4808093 | Vertical plunger pump with active plunger heat exchange | — | 1989-02-28 |
| 4762051 | Single acting pump with double acting drive | Wilbur C. Smith | 1988-08-09 |
| 4729249 | Reciprocating plunger pump having separate and individually removable crosshead cradles | — | 1988-03-08 |