Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7654772 | Mobile asphalt production machine | — | 2010-02-02 |
| 7458746 | Mobile asphalt production machine | — | 2008-12-02 |
| 7422359 | Method of mixing cement and water for concrete production | — | 2008-09-09 |
| 7281839 | Turbine cement/water mixer for concrete production | — | 2007-10-16 |
| 6988849 | Pothole repair machine | — | 2006-01-24 |
| 5551776 | Telescoping discharge chute for concrete trucks | — | 1996-09-03 |
| 5486047 | Mixing auger for concrete trucks | — | 1996-01-23 |
| 5326797 | Fire resistant roofing asphalt composition | David Michael Ploense, Robert Lilleston, Mario Butera | 1994-07-05 |
| 5286158 | Material distributing apparatus | — | 1994-02-15 |
| 5169690 | Fire resistant roofing system | David Michael Ploense, Robert Lilleston, Mario Butera | 1992-12-08 |
| 5100715 | Fire resistant roofing system | David Michael Ploense, Robert Lilleston, Mario Butera | 1992-03-31 |
| 5005980 | Sludge/soil mixing machine | — | 1991-04-09 |
| 4848010 | Backhoe machine | — | 1989-07-18 |
| 4848011 | Loader bucket | — | 1989-07-18 |
| 4848012 | Multi-purpose earthworking machine | — | 1989-07-18 |
| 4783171 | Loading conveyor for concrete mixer | — | 1988-11-08 |
| 4781466 | Method and apparatus for producing concrete | — | 1988-11-01 |
| 4601629 | Fine and coarse aggregates conveying apparatus | — | 1986-07-22 |
| 4579459 | Mixing auger mounting and storage arrangement | — | 1986-04-01 |
| 4575010 | Method and apparatus for spreading heated sand | — | 1986-03-11 |
| 4538916 | Motor mounting arrangement on a mixing auger | — | 1985-09-03 |