ABB Flakt AB
57Patents
0Active
57Granted
39Portfolio score
Filing activity: Aug 30, 1990 → Apr 17, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5657555A | Process and hot-air dryer for dying coated surfaces | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US5707422A | Method of controlling the supply of conditioning agent to an electrostatic precipitator | Performing Operations; Transporting | 28 | Expired |
| US6022388A | Device for cleaning filter elements | Performing Operations; Transporting | 22 | Expired |
| US5474597A | Method and device for gas cleaning or gas cooling | Performing Operations; Transporting | 19 | Expired |
| US5639294A | Method for controlling the power supply to an electrostatic precipitator | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5246339A | Guide vane for an axial fan | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5725669A | Car body surface treatment device | Performing Operations; Transporting | 16 | Expired |
| US6306357A | Process and apparatus for absorbing hydrogen sulphide | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5885539A | Method for separating substances from a gaseous medium by dry adsorption | Performing Operations; Transporting | 13 | Expired |
| US5551838A | Inlet bell for centrifugal fans | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5533706A | Valve arrangement | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6200215A | Fan module for clean room applications | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5651822A | Vehicle body surface treatment apparatus | Performing Operations; Transporting | 11 | Expired |
| US5887973A | Device for mixing particulate material and liquid | Performing Operations; Transporting | 11 | Expired |
| US5144754A | Method for controlling the supply and the discharge of hot air to and from, respectively, a blowing tunnel | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5426975A | Method and apparatus for determining the total flow rate in a ventilation installation | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US5931989A | Device in an electrostatic precipitator for the suspending, controlling and rapping of collecting electrodes | Performing Operations; Transporting | 10 | Expired |
| US5245763A | Method and apparatus for removing solvent vapors | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6125606A | Beam construction in ceilings of clean air rooms | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD393705S | Container for plastic foil for the handling of filter bags | General | 10 | Expired |
| US5816003A | Clean-room wall | Fixed Constructions | 9 | Expired |
| US6051054A | Method for separating dust from hot process gases | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5339688A | Device for measuring a gas flow, and method for using the device | Physics | 8 | Expired |
| US5966837A | Wood drying plant and a method of purifying a drying gas from a wood drying device | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| USD390455S | Cartridge for use with a filter bag | General | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.