Issued Patents All Time
Showing 51–75 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8047456 | Spray nozzle with adjustable arc spray elevation angle and flow | Carl L. C. Kah, III | 2011-11-01 |
| 7996957 | Centrifugal dirt separation configurations for household-type and shop-type vacuum cleaners | — | 2011-08-16 |
| D636459 | Rotary nozzle head | Carl L. C. Kah, III, Weiming Feng | 2011-04-19 |
| 7916884 | External ear insert for hearing comprehension enhancement | — | 2011-03-29 |
| D628272 | Rotary nozzle head | Carl L. C. Kah, III, Weiming Feng | 2010-11-30 |
| 7841547 | Rotary drive sprinkler with flow control and shut off valve in nozzle housing | Carl L. C. Kah, III | 2010-11-30 |
| 7828229 | Closed case oscillating sprinkler | — | 2010-11-09 |
| 7793868 | Rotary drive sprinkler with flow control and shut off valve in nozzle housing | Carl L. C. Kah, III | 2010-09-14 |
| 7792612 | Expandable irrigation controller | — | 2010-09-07 |
| D615152 | Rotary nozzle head | Carl L. C. Kah, III, Weiming Feng | 2010-05-04 |
| 7708209 | Sprinkler to top riser and housing seal cartridge for gear drive sprinkler | — | 2010-05-04 |
| 7600699 | Sprinkler top with co-molded seal for riser and body | Richard Zhang | 2009-10-13 |
| 7574285 | Expandable irrigation controller | — | 2009-08-11 |
| 7566141 | Cassegrain optical configuration to expand high intensity LED flashlight to larger diameter lower intensity beam | — | 2009-07-28 |
| 7416139 | Speed limiting turbine for rotary driven sprinkler | — | 2008-08-26 |
| 7287712 | Closed case oscillating sprinkler | — | 2007-10-30 |
| 7232107 | Control valve having a filter screen mounted flush with a valve closure member surface | Carl L. C. Kah, III | 2007-06-19 |
| 7232106 | Tilted and stepped diaphragm for control valves | Carl L. C. Kah, III | 2007-06-19 |
| 7232078 | Speed limiting for rotary driven sprinkler | — | 2007-06-19 |
| 7232081 | Spray nozzle with adjustable ARC spray elevation angle and flow | Carl L. C. Kah, III | 2007-06-19 |
| 7226003 | Rotary drive sprinkler with flow control and shut off valve in nozzle housing | Carl L. C. Kah, III | 2007-06-05 |
| 7143962 | Selected range arc settable spray nozzle with pre-set proportional connected upstream flow throttling | — | 2006-12-05 |
| 7044403 | Rotary driven sprinkler with multiple nozzle ring | Carl L. C. Kah, III | 2006-05-16 |
| 7000889 | Tilted and stepped diaphragm for control valves | Carl L. C. Kah, III | 2006-02-21 |
| 6834816 | Selected range arc settable spray nozzle with pre-set proportional connected upstream flow throttling | — | 2004-12-28 |