Field Controls, LLC
32Patents
21Active
32Granted
50Portfolio score
Filing activity: Jul 22, 1987 → Sep 16, 2020 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8113823B2 | Apparatus and method for controlling a damper in a gas-fired appliance | Mechanical Engineering; Lighting; Heating | 29 | Active |
| US5012793A | Power vented direct vent system | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US6832844B2 | Ultraviolet lamp assembly | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US9322568B2 | Whole house ventilation system | Emerging Cross-Sectional Technologies | 16 | Active |
| US4757802A | Power venter | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6530557B1 | Water sentry drive unit | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6746134B1 | UV assembly with switch | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4750433A | In-line power venter | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| USD546435S1 | Housing for an inline vent fan | General | 9 | Expired |
| US6630678B2 | Ultraviolet air purifying apparatus | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7290981B2 | Inline vent fan | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US8828111B2 | Collapsible filter | Performing Operations; Transporting | 6 | Active |
| US9581355B2 | Motor/damper assembly for fuel-fired water heater | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6679068B1 | Ultraviolet lamp assembly | Emerging Cross-Sectional Technologies | 6 | Expired |
| US9638428B1 | Oven structure | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10240787B2 | Integrated damper control system | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9958184B2 | Vent proving system | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7717702B2 | Direct sidewall vent system | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7064342B2 | Adjustable ultraviolet lamp mounting device | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US9416949B2 | Adjustable bracket assembly for an ultraviolet lamp | Emerging Cross-Sectional Technologies | 2 | Active |
| US7484934B2 | Method and apparatus for propelling an intercepted fluid | Emerging Cross-Sectional Technologies | 2 | Active |
| US10161631B2 | Self-powered damper system | Emerging Cross-Sectional Technologies | 2 | Active |
| US9835330B2 | Linear slide damper system | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10436476B2 | Motor/damper assembly for fuel-fired water heater | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9546786B2 | Self-powered damper system | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.