Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047456 | Spray nozzle with adjustable arc spray elevation angle and flow | Carl L. C. Kah, Jr. | 2011-11-01 |
| D636459 | Rotary nozzle head | Carl L. C. Kah, Jr., Weiming Feng | 2011-04-19 |
| D628272 | Rotary nozzle head | Carl L. C. Kah, Jr., Weiming Feng | 2010-11-30 |
| 7841547 | Rotary drive sprinkler with flow control and shut off valve in nozzle housing | Carl L. C. Kah, Jr. | 2010-11-30 |
| 7793868 | Rotary drive sprinkler with flow control and shut off valve in nozzle housing | Carl L. C. Kah, Jr. | 2010-09-14 |
| D615152 | Rotary nozzle head | Carl L. C. Kah, Jr., Weiming Feng | 2010-05-04 |
| 7232107 | Control valve having a filter screen mounted flush with a valve closure member surface | Carl L. C. Kah, Jr. | 2007-06-19 |
| 7232081 | Spray nozzle with adjustable ARC spray elevation angle and flow | Carl L. C. Kah, Jr. | 2007-06-19 |
| 7232106 | Tilted and stepped diaphragm for control valves | Carl L. C. Kah, Jr. | 2007-06-19 |
| 7226003 | Rotary drive sprinkler with flow control and shut off valve in nozzle housing | Carl L. C. Kah, Jr. | 2007-06-05 |
| 7134613 | Device for limiting turbine rotation speed in gear driven sprinklers | — | 2006-11-14 |
| 7044403 | Rotary driven sprinkler with multiple nozzle ring | Carl L. C. Kah, Jr. | 2006-05-16 |
| 7000889 | Tilted and stepped diaphragm for control valves | Carl L. C. Kah, Jr. | 2006-02-21 |
| D480449 | Control valve | Carl L. C. Kah, Jr. | 2003-10-07 |
| 6601781 | Rotary driven sprinkler with multiple nozzle ring | Carl L. C. Kah, Jr. | 2003-08-05 |
| 6237862 | Rotary driven sprinkler with mulitiple nozzle ring | Carl L. C. Kah, Jr. | 2001-05-29 |
| 6182909 | Rotary nozzle assembly having insertable rotatable nozzle disc | Carl L. C. Kah, Jr. | 2001-02-06 |
| 6085995 | Selectable nozzle rotary driven sprinkler | Carl L. C. Kah, Jr. | 2000-07-11 |
| 5826797 | Operationally changeable multiple nozzles sprinkler | — | 1998-10-27 |
| D388502 | Multiple orifice nozzle sprinkler | — | 1997-12-30 |