| Patent No. | Patent Title: |
| 6752920 | Integral valved filter |
| 6726837 | Portable bilge water filter apparatus |
| 6712957 | Stationary bilge water filter apparatus |
| 6656351 | Embolic protection devices one way porous membrane |
| 6641717 | Water purifier |
| 6641718 | Aquarium filtering system |
| 6623635 | Assembly for purifying water |
| 6620314 | Production of pyrogen controlled water |
| 6616835 | Coolant recycling system |
| 6616832 | Multi-layer recirculating filter wastewater treatment apparatus |
| 6613236 | Water filter monitoring and indicating system |
| 6613221 | Sieve filter for fluid conduits, especially for hydraulic pressur... |
| 6613220 | Sieve filter for fluid conduits, especially for hydraulic pressur... |
| 6610198 | Liquid filter with change interval indicator |
| 6607659 | Drilling mud reclamation system with mass flow sensors |
| 6605210 | Hydraulic fluid filter device |
| 6604848 | Method for continuously mixing polyester resins |
| 6605209 | Non-biodegradable waste pyrolysis system with selective residence... |
| 6602408 | Filtration system for water garden reservoir |
| 6598617 | Cascaded variable bias feedforward and feedback flow and level co... |
| 6596158 | Waste water filtration tank |
| 6596159 | Automatic regeneration valve for water softener |
| 6592753 | Oil recovery system |
| 6592754 | Apparatus and process for removing metallic particles from efflue... |
| 6585886 | Aerobic microbiological wastewater treatment reactor |
| 6585887 | End cap relief valve mechanism for a filter |
| 6585893 | Concentrically-arranged, multi-sleeve bag-type filter element ass... |
| 6585892 | Concentrically-arranged flexible media and support basket with se... |
| 6579445 | System for the production of laboratory grade ultrapure water |
| 6579449 | Carbonated water supply system |
| 6579447 | Self-cleaning pre-filter system |
| 6576131 | Process and apparatus for changing the wetting agent of pigments |
| 6571960 | Faucet-mounted water filtration device |
| 6572778 | Method for separating magnetized substances from a solution |
| 6569319 | UV light intensity detector in a water treatment system |
| 6565755 | Sludge density measurement for controlling a sludge treatment sta... |
| 6565743 | Portable purification container with cumulative use indicator |
| 6551504 | Valve for a fluid treatment system |
| 6544412 | Filter including temperature and pressure responsive bypass |
| 6540909 | Fluid filter with pressure relief valve |