Issued Patents All Time
Showing 1–25 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11701672 | Sprinkler head nozzle assembly with adjustable arc, flow rate and stream angle | Carl L. C. Kah, III | 2023-07-18 |
| 11478804 | Sprinkler flow stop and pressure regulator combination | Carl L. C. Kah, III, Weiming Feng, Richard Zhang | 2022-10-25 |
| 10967391 | Pressure regulator in a rotationally driven sprinkler nozzle housing assembly | — | 2021-04-06 |
| 10950211 | External ear insert for hearing comprehension enhancement | — | 2021-03-16 |
| RE48397 | Broken sprinkler flow restriction or flow shut off suppressor for sprinkler | — | 2021-01-19 |
| 10828651 | Spray nozzle with adjustable arc spray elevation angle and flow | Carl L. C. Kah, III | 2020-11-10 |
| 10729296 | Wet/dry, non-porous bag/bagless vacuum assembly with steam and variable speed settable vacuum motor control with no loss of suction | — | 2020-08-04 |
| RE48116 | Centrifugal dirt separation configurations for household-type and shop-type vacuum cleaners | — | 2020-07-28 |
| RE48094 | Centrifugal dirt separation configurations for household-type and shop-type vacuum cleaners | — | 2020-07-14 |
| 10546570 | External ear insert for hearing comprehension enhancement | — | 2020-01-28 |
| 10536782 | External ear insert for hearing enhancement | — | 2020-01-14 |
| 10449562 | Adjustable arc of coverage cone nozzle rotary stream sprinkler | — | 2019-10-22 |
| 10368503 | Expandable irrigation controller | — | 2019-08-06 |
| 10232387 | Pressure regulating nozzle assembly with flow control ring | Carl L. C. Kah, III, Weiming Feng | 2019-03-19 |
| 10220405 | Sprinkler flow stop and pressure regulator combination | Carl L. C. Kah, III, Weiming Feng, Richard Zhang | 2019-03-05 |
| 10215676 | Plant stem tree branch or trunk moisture probe | — | 2019-02-26 |
| 10213802 | Pressure regulator in a rotationally driven sprinkler nozzle housing assembly | — | 2019-02-26 |
| 10201825 | Nozzle guard top for pop-up sprinklers | — | 2019-02-12 |
| 10086387 | Selectable arc and range of coverage spray nozzle assembly with multiple fluidic fan spray nozzles | — | 2018-10-02 |
| 9981276 | Sprinkler head nozzle assembly with adjustable arc, flow rate and stream angle | Carl L. C. Kah, III | 2018-05-29 |
| 9766609 | Sprinkler controller with dial position for each function and program content display position | — | 2017-09-19 |
| 9757743 | Water rotatable distributor for stream rotary sprinklers | Carl L. C. Kah, III | 2017-09-12 |
| 9750359 | Double walled thermal container with ring seal | — | 2017-09-05 |
| 9675220 | Wet/dry, non-porous bag/bagless vacuum assembly with steam and variable speed settable vacuum motor control with no loss of suction | — | 2017-06-13 |
| 9573145 | Pressure regulating nozzle assembly | — | 2017-02-21 |