Issued Patents All Time
Showing 26–50 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9578427 | External ear insert for hearing comprehension enhancement | — | 2017-02-21 |
| 9415406 | Speed limiting turbine with momentum activated bypass valve | — | 2016-08-16 |
| 9254502 | Broken sprinkler flow restriction or flow shut off suppressor for sprinkler | — | 2016-02-09 |
| 9248459 | Arc and range of coverage adjustable stream rotor sprinkler | Carl L. C. Kah, III, Weiming Feng, Frederick A. Hall | 2016-02-02 |
| 9192956 | Sprinkler flow stop and pressure regulator combination | Carl L. C. Kah, III, Weiming Feng, Richard Zhang | 2015-11-24 |
| 9162244 | Sprinkler body insertable check valve to prevent downhill drainage | — | 2015-10-20 |
| 9167364 | External ear insert for hearing comprehension enhancement | — | 2015-10-20 |
| 9119511 | Centrifugal dirt separation configurations for household-type and shop-type vacuum cleaners | — | 2015-09-01 |
| 8991730 | Pressure regulating nozzle assembly with flow control ring | Carl L. C. Kah, III, Weiming Feng | 2015-03-31 |
| 8991726 | Sprinkler head nozzle assembly with adjustable arc, flow rate and stream angle | Carl L. C. Kah, III | 2015-03-31 |
| 8991725 | Pressure regulator in a rotationally driven sprinkler nozzle housing assembly | — | 2015-03-31 |
| 8893986 | Spray nozzle with adjustable arc spray elevation angle and flow | Carl L. C. Kah, III | 2014-11-25 |
| D708300 | Sprinkler top | Carl L. C. Kah, III | 2014-07-01 |
| 8750547 | External ear insert for hearing comprehension enhancement | — | 2014-06-10 |
| D706229 | Control module | Carl L. C. Kah, III, Frederick A. Hall | 2014-06-03 |
| 8632020 | Speed limiting turbine for rotary driven sprinkler | — | 2014-01-21 |
| 8628027 | Oscillating nozzle sprinkler assembly with matched precipitation and adjustable arc of coverage | Carl L. C. Kah, III, Weiming Feng | 2014-01-14 |
| D697176 | Rotary nozzle head | Carl L. C. Kah, III | 2014-01-07 |
| 8596559 | Rotary drive sprinkler with flow control and shut off valve in nozzle housing | Carl L. C. Kah, III | 2013-12-03 |
| 8567698 | Closed case oscillating sprinkler | — | 2013-10-29 |
| 8534572 | Sprinkler to top riser and housing seal cartridge for gear drive sprinkler | — | 2013-09-17 |
| D689441 | Control enclosure | Carl L. C. Kah, III, Frederick A. Hall | 2013-09-10 |
| D682391 | Rotary nozzle head | Carl L. C. Kah, III, Richard Zhang, Robert Brady | 2013-05-14 |
| 8271144 | Expandable irrigation controller | — | 2012-09-18 |
| 8136743 | Rotary drive sprinkler with flow control and shut off valve in nozzle housing | Carl L. C. Kah, III | 2012-03-20 |