Flakt, AB
29Patents
0Active
29Granted
34Portfolio score
Filing activity: Aug 25, 1982 → Aug 31, 1989
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4710208A | Suspendable modular frame arrangement for clean room ceilings having a fluid seal | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4712277A | Method and apparatus for producing a continuous web | Textiles; Paper | 15 | Expired |
| US4680873A | Method for controlling shrinkage and/or stretching of a paper web in the drying section of paper machine, in the form of a cylinder drier and/or fan dryer, transversely to the feed direction of the web and arrangements for carrying out the method | Textiles; Paper | 14 | Expired |
| US4505053A | Drying plant for a material web | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4690333A | Media mixing nozzle assembly | Performing Operations; Transporting | 12 | Expired |
| US4719708A | Arrangement in material drying systems | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4936878A | Method for cleansing gas and apparatus herefor | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4467950A | Arrangement for pulling the tail of a web-like material through a drying or cooling plant | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4799318A | Arrangement in the drying section of a paper machine | Textiles; Paper | 9 | Expired |
| US4750916A | Method and arrangement for cleansing a flow of hot contaminated gas | Performing Operations; Transporting | 8 | Expired |
| US4824032A | Method and an arrangement for mixing a dry material with a liquid | Performing Operations; Transporting | 7 | Expired |
| US4674718A | Method and apparatus for keeping railway switches free from snow | Fixed Constructions | 7 | Expired |
| US4970770A | Method of making a coated heat exchanger with tubes and fins | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4666475A | Discharge electrode | Performing Operations; Transporting | 7 | Expired |
| US4711162A | Method of ventilating rooms | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4673417A | Rigid discharge electrode | Performing Operations; Transporting | 5 | Expired |
| US4963330A | Method and apparatus for treating contaminated gases | Performing Operations; Transporting | 5 | Expired |
| US4790692A | Arrangement for transporting disintegrated particulate solids | Performing Operations; Transporting | 5 | Expired |
| US4525181A | Process for the removal of impurities in reacted alumina | Chemistry; Metallurgy | 5 | Expired |
| US4941896A | Method and apparatus for cleansing gases | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4602410A | Guide vane ring for a return flow passage in axial fans and a method of producing it | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4671808A | Arrangement for supporting a plurality of discharge electrodes, and a discharge electrode suited to the arrangement | Performing Operations; Transporting | 4 | Expired |
| US4750552A | Arrangement in a unit having a heat-exchange function | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| USD299546S | Channels for a filter bank supporting latticework | General | 3 | Expired |
| US4704672A | Method and arrangement for varying a voltage occurring between the electrodes of an electrostatic dust separator | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.