| 12404689 |
Dispenser systems |
Jeffrey D. Johnson, Paul Freeberg, Lyle Enderson, Donald Dalland, Terry Goeman |
2025-09-02 |
| 12329151 |
Ion enhancement |
John Hill, Nicole A. Weulander |
2025-06-17 |
| 12060287 |
Floating dispensers |
Jeffrey D. Johnson, Paul Freeberg, Lyle Enderson, Donald Dalland |
2024-08-13 |
| 11999637 |
Free chlorine maintained system |
David Guy, Jeffrey D. Johnson, Paul Freeberg, Terry Goeman, Lyle Enderson +1 more |
2024-06-04 |
| 11629078 |
Free chlorine maintained systems |
David Guy, Jeffrey D. Johnson, Paul Freeberg, Terry Goeman, Lyle Enderson +1 more |
2023-04-18 |
| 11492276 |
Dispensing systems |
Jeffrey D. Johnson, Donald Dalland |
2022-11-08 |
| 11447406 |
Multi-stage dispensers |
— |
2022-09-20 |
| 11414243 |
Dispensers |
Randy Williams, Kenneth V. Schomburg, Jeffrey D. Johnson, Mark Snetting |
2022-08-16 |
| 11408191 |
Dispensers |
Jeffrey D. Johnson, Paul Freeberg, David Guy, Terry Goeman |
2022-08-09 |
| 11401184 |
Comparative method of maintaining a safe level of chlorine in a body of water |
David Guy, Jeffrey D. Johnson |
2022-08-02 |
| 11365553 |
Dispensing systems |
Jeffrey D. Johnson, Paul Freeberg, David Guy, Terry Goeman, Kenneth V. Schomburg |
2022-06-21 |
| 11306010 |
Water purification material and method for use in sanitizing pools and spas where the water purification material is free of antimicrobial materials |
David Guy, Randy Roseth, Brett Libby |
2022-04-19 |
| 11203539 |
Free chlorine maintained systems |
David Guy, Jeffrey D. Johnson, Paul Freeberg, Terry Goeman, Lyle Enderson +1 more |
2021-12-21 |
| 11141685 |
Dispenser |
Jeffrey D. Johnson, Paul Freeberg, David Guy, Terry Goeman, Lyle Enderson +1 more |
2021-10-12 |
| 11124436 |
Floating dispensers |
Jeffrey D. Johnson, Lyle Enderson, Paul Freeberg, Donald Dalland, Terry Goeman |
2021-09-21 |
| 11008235 |
Floating dispensers |
Paul Freeberg, Jeffrey D. Johnson, Lyle Enderson, Donald Dalland, Terry Goeman |
2021-05-18 |
| 10914091 |
Dispensers |
Jeffrey D. Johnson, Paul Freeberg, David Guy, Terry Goeman |
2021-02-09 |
| 10883288 |
Dispensing systems |
Jeffrey D. Johnson, Paul Freeberg, David Guy, Terry Goeman, Kenneth V. Schomburg |
2021-01-05 |
| 10875797 |
Multi-stage dispensers |
— |
2020-12-29 |
| 10843944 |
Dispensing systems |
Jeffrey D. Johnson, Donald Dalland |
2020-11-24 |
| 10781016 |
Dispenser |
Randy Williams, Kenneth V. Schomburg, Jeffrey D. Johnson, Mark Snetting |
2020-09-22 |
| 10526219 |
Drinking water purification device |
— |
2020-01-07 |
| 10337200 |
Dispenser systems |
Jeffrey D. Johnson, Paul Freeberg, Lyle Enderson, Donald Dalland, Terry Goeman |
2019-07-02 |
| 10227244 |
Drinking water purification device |
— |
2019-03-12 |
| 10123539 |
Bromate suppression |
John Hill |
2018-11-13 |