| Ludowici Roof Tile Patent applications |
| Patent application number | Title | Published |
|---|
| 20120102876 | Interlocking tiles employing adjustable rain lock - A roofing system includes at least one row of tiles extending across a surface in a row direction, a first tile of the at least one row of tiles including a rain lock adapted to interlock with a second tile adjacent to and within the same row as the first tile, wherein the rain lock has a lower end, an upper end, and a weakened portion proximate the lower end to allow for removal of a predetermined portion of the rain lock. The second tile of the roofing system includes a corner at the upper end of the rain lock of the first tile, the corner including a notch and a second weakened portion to allow for lengthening of the notch. | 05-03-2012 |
| 20090249729 | Interlocking tiles employing adjustable rain lock - A roofing system includes at least one row of tiles extending across a surface in a row direction, a first tile of the at least one row of tiles including a rain lock adapted to interlock with a second tile adjacent to and within the same row as the first tile, wherein the rain lock has a lower end, an upper end, and a weakened portion proximate the lower end to allow for removal of a predetermined portion of the rain lock. The second tile of the roofing system includes a corner at the upper end of the rain lock of the first tile, the corner including a notch and a second weakened portion to allow for lengthening of the notch. | 10-08-2009 |
| 20090193746 | 2/3RDS WIDTH FLAT INTERLOCKING TILES - A system for tiling roofs employs rows of full-width tiles extending across a surface, each row of tiles interspersed with ⅔ or other unconventional width tiles in an irregular, pseudo-random pattern that allows for proper drainage and also has a distinctive appearance. | 08-06-2009 |
