Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10690234 | Electric vehicle powertrain | Matthew Simonini | 2020-06-23 |
| 7520697 | System and method for elevating a support post | — | 2009-04-21 |
| 7353935 | Conveyor discharge device | Bruce Arndt | 2008-04-08 |
| 6336545 | Conveyor support crawler for a mobile conveyor system | Bruce Arndt, A. Steven Ledger | 2002-01-08 |
| 6276521 | Modular truss assembly for a conveyor system | Bruce Arndt, A. Steven Ledger | 2001-08-21 |
| 5762179 | Conveyor modular construction techniques | Mark S. Dingeldein, Alan S. Ledger, James C. Graham | 1998-06-09 |
| 5699878 | Conveyor elevating techniques | Mark S. Dingeldein, Alan S. Ledger, Joseph Gallione | 1997-12-23 |
| 5203442 | Cantilever conveying techniques | A. Steven Ledger | 1993-04-20 |
| 4875569 | Concrete delivery system | Joseph Gallione | 1989-10-24 |
| 4846580 | Large scale concrete conveyance techniques | — | 1989-07-11 |
| 4822210 | Concrete finishing machine | Charles J. Arndt | 1989-04-18 |
| 4806865 | Device for measuring the earth's magnetic field disturbed by anomalies | — | 1989-02-21 |
| 4733513 | Tying bar for concrete joints | Ernest K. Schrader | 1988-03-29 |
| 4624357 | Vehicle-mounted extensible conveyor | Charles J. Arndt | 1986-11-25 |
| 4531630 | Load sensor | Charles J. Arndt | 1985-07-30 |
| 4262696 | Swivel arm concrete placer | — | 1981-04-21 |