Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8827624 | Particulate material loading and unloading system | — | 2014-09-09 |
| 8123454 | Garbage truck and self-contained loading and unloading system therefor | — | 2012-02-28 |
| 6651806 | Sealless slat-type reciprocating conveyor | — | 2003-11-25 |
| 6513648 | Reciprocating conveyor with top front drive | Steven A. Hallstrom, Daniel C. Hallstrom | 2003-02-04 |
| 6450753 | Cargo transfer system | Kevin Michael Pike, Donald W. Wilton | 2002-09-17 |
| RE35156 | Waterproof reciprocating conveyor | — | 1996-02-20 |
| 5490441 | Automatic reciprocation of a reversible fluid pressure unit and switching valve therefor | Steven A. Hallstrom, Daniel C. Hallstrom | 1996-02-13 |
| 5267641 | Self-clearing reciprocating conveyor with moving bearing seal | — | 1993-12-07 |
| 5263573 | Drive connector for reciprocating conveyor | — | 1993-11-23 |
| 5228555 | Load positioning and conveying system | — | 1993-07-20 |
| 5088595 | Waterproof reciprocating conveyor | — | 1992-02-18 |
| 4966275 | Reciprocating conveyor with detachable power drive | — | 1990-10-30 |
| 4856645 | Reciprocating conveyor | — | 1989-08-15 |
| 4727978 | Reciprocating conveyor for particulate material | — | 1988-03-01 |
| 4691819 | Reciprocating conveyor | — | 1987-09-08 |
| 4433548 | Combination internal combustion and steam engine | — | 1984-02-28 |
| 4308661 | Tool for separating end cap sections of telephone cable splice cases | — | 1982-01-05 |
| 4184587 | Reciprocating conveyor and modular drive unit therefor | — | 1980-01-22 |