| 8944413 |
Solar-powered boat lift |
James Hatch |
2015-02-03 |
| 7935260 |
Filtering systems and methods characterized by reduced color throw |
Rajendra K. Mody, Michael M. Gottlieb, Carl Galletti |
2011-05-03 |
| 7540955 |
Photocatalytic water treatment apparatus |
Michael D. Steinhardt, Michael J. Kurth, Marc A. Anderson |
2009-06-02 |
| 6117332 |
Method for using a center core cartridge feeder insert |
Bruce A. Stump |
2000-09-12 |
| 5928512 |
Demountable filter for a bottle or the like |
Robert S. Frank |
1999-07-27 |
| 5897770 |
Center core cartridge feeder insert |
Bruce A. Stump |
1999-04-27 |
| D378850 |
Shower water filter |
Peggy D. Howe |
1997-04-15 |
| 5106501 |
Multi-function filter cartridge with flow distribution control |
Vue X. Yang, Thomas Holler |
1992-04-21 |
| 5061367 |
Water purifying filter device |
Ralph A. Polasky |
1991-10-29 |
| 4594392 |
Synergistically stabilized mixed form halogenated and/or interhalogenated resins for disinfecting water |
— |
1986-06-10 |
| 4190529 |
Mixed-form polyhalide resins for disinfecting water |
— |
1980-02-26 |
| 4187183 |
Mixed-form polyhalide resins for disinfecting water |
— |
1980-02-05 |
