| Patent Number |
Title Of Patent |
Date Issued |
| D380813 |
Pipe connector |
July 8, 1997 |
|
| 6800339 |
Filled synthetic turf with ballast layer |
October 5, 2004 |
| A synthetic turf comprises a backing with a plurality of pile filaments secured to the backing and extending upwardly therefrom and filled with particulate fill material. The fill material comprises a lower ballast layer of gravel residing on the backing and an upper layer of resilient |
| 6247267 |
Method for stabilizing natural turf with dual primary stabilizer |
June 19, 2001 |
| A stabilized turf (10) particularly suitable for athletic fields includes a mat (18) interposed between upper (24) and lower (16) layers of growth media, the mat (18) having a horizontally disposed, biodegradable primary backing (22) and generally upwardly extending fibers (20) secured t |
| 6216389 |
Stabilized natural turf with decomposition agent |
April 17, 2001 |
| A stabilized natural turf surface particularly suitable for athletic fields includes a mat interposed between upper and lower layers of growth media, the mat having a woven biodegradable backing and upwardly extending artificial fibers secured thereto, wherein the fibers extend well abov |
| 6173528 |
Stabilized natural turf for athletic field |
January 16, 2001 |
| A stabilized natural turf surface particularly suitable for athletic fields includes a mat interposed between upper and lower layers of growth media, the mat having a woven biodegradable backing and upwardly extending artificial fibers secured thereto, wherein the fibers extend well abov |
| 6094860 |
Stabilized turf for athletic field |
August 1, 2000 |
| A stabilized turf (10) particularly suitable for athletic fields includes a mat (18) interposed between upper (24) and lower (16) layers of growth media, the mat (18) having a horizontally disposed, biodegradable primary backing (22) and generally upwardly extending fibers (20) secured t |
| 6035577 |
Temporarily stabilized natural turf |
March 14, 2000 |
| A temporarily stabilized natural turf conforms to a foundation of uniform or nonuniform topography, for instance a golf course green, and includes a flexible biodegradable primary backing with biodegradable fibers tufted thereto, an upper sand-based fill layer extending above the primary |
| 6029397 |
Stabilized natural turf for athletic field |
February 29, 2000 |
| A stabilized natural turf surface particularly suitable for athletic fields includes a mat interposed between upper and lower layers of growth media, the mat having a woven biodegradable backing and upwardly extending artificial fibers secured thereto, wherein the fibers extend well abov |
| 5944444 |
Control system for draining, irrigating and heating an athletic field |
August 31, 1999 |
| A control system for an athletic field coordinates drainage by gravity or vacuum-enhanced and irrigation by monitoring water level with respect to a subsurface membrane, wherein a flow network resides on the membrane and is covered by a fill layer, which in turn supports the field surfac |
| 5752784 |
Low profile drainage network for athletic field drainage system |
May 19, 1998 |
| A drainage system for a natural turf athletic field includes a buried drainage network located above a water impermeable membrane which conforms to the topography of a compacted subsoil, the drainage network including a plurality of water impermeable pipe rows partially recessed in depre |
