WesTech Engineering, LLC
15Patents
11Active
15Granted
45Portfolio score
Filing activity: Sep 27, 1982 → Mar 5, 2021 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5976370A | Underdrain structure for media filters | Performing Operations; Transporting | 18 | Expired |
| US5376280A | Flocculation control system and method | Physics | 10 | Expired |
| US6800209B2 | Energy dissipating inlet for clarifier feedwells | Performing Operations; Transporting | 9 | Expired |
| US4442001A | Rotary vacuum filter | Performing Operations; Transporting | 5 | Expired |
| US10913667B2 | Multi-media clarification systems and methods | Chemistry; Metallurgy | 3 | Active |
| US8123955B2 | Method of optimizing feed concentration in a sedimentation vessel | Performing Operations; Transporting | 2 | Active |
| US10941050B2 | Modular underdrain systems | Chemistry; Metallurgy | 2 | Active |
| US8551330B2 | Carbon retention screen with variable discharge head | Emerging Cross-Sectional Technologies | 1 | Active |
| US11247918B2 | Multi-media clarification systems and methods | Chemistry; Metallurgy | 1 | Active |
| US11780741B2 | Modular underdrain systems | Chemistry; Metallurgy | 1 | Active |
| US8182701B2 | Method of optimizing feed distribution in a sedimentation vessel | Performing Operations; Transporting | 1 | Active |
| US9758404B2 | Methods and apparatuses for adjustable air capture and release | Emerging Cross-Sectional Technologies | 0 | Active |
| US9506850B2 | Apparatus and method for determining one or more characteristics of a viscous material | Physics | 0 | Active |
| US9878930B1 | Systems and methods for installing digester ballast | Emerging Cross-Sectional Technologies | 0 | Active |
| US11130693B1 | Combination biological contactor and self-backwashing filter systems | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.