NIRO A/S
48Patents
3Active
48Granted
39Portfolio score
Filing activity: Feb 5, 1991 → May 18, 2015 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5435980A | Method of improving the Hg-removing capability of a flue gas cleaning process | Performing Operations; Transporting | 126 | Expired |
| US5590961A | Method for injecting a first fluid into a second fluid and an apparatus for carrying out the method | Performing Operations; Transporting | 59 | Expired |
| US6253463A | Method of spray drying | Mechanical Engineering; Lighting; Heating | 49 | Expired |
| US5647142A | Apparatus and process for drying a moist material dispersed or dispersible in a stream of drying gas | Mechanical Engineering; Lighting; Heating | 44 | Expired |
| US6463675B1 | Process and a plant for spray drying | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US5338553A | Process of treating water containing effluent from cheese-making operations | Chemistry; Metallurgy | 31 | Expired |
| US6058624A | Spray drying method and apparatus and cleaning method for such an apparatus | Performing Operations; Transporting | 28 | Expired |
| US6149716A | Method of cleaning a filter unit, and a filter unit for filtering gas | Performing Operations; Transporting | 28 | Expired |
| US5248387A | Process for producing concentrated aqueous slurries and spray dried particulate products | Emerging Cross-Sectional Technologies | 27 | Expired |
| US6098895A | Process and a device for atomizing liquids | Performing Operations; Transporting | 26 | Expired |
| US6497911B1 | Process for the preparation of a water soluble coffee or tea product from a non-rewetted particulate material obtained from an extract by drying | Human Necessities | 23 | Expired |
| US5227018A | Gas distributor and heater for spray drying | Performing Operations; Transporting | 22 | Expired |
| US5223088A | Apparatus for producing concentrated aqueous slurries and spray dried particulate products | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5968575A | Method for injecting a product into a fluid, and an apparatus for carrying out the method | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5596817A | Method and an apparatus for minimizing deposits in a drying chamber | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5357688A | Method and apparatus for treating a pulverulent or particulate material or product with gas | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5632100A | Process and a spray drying apparatus for producing an agglomerated powder | Human Necessities | 19 | Expired |
| US5839207A | Fluid bed apparatus, a bed plate therefore, and a method of making a bed plate | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5593715A | Method and apparatus for treating a pulverulent or particulate material with gas | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5133137A | Method and apparatus for heat treating a particulate product | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US5840360A | Process for extracting roasted and ground coffee | Human Necessities | 15 | Expired |
| US6652898B2 | Process for producing a milk or whey product having a reduced spores and bacteria content | Human Necessities | 14 | Expired |
| US5648118A | Continuous multi-cell process for particle coating providing for particle recirculation in the respective cells | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6711831B1 | Process and an apparatus for spray drying | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US5695701A | Apparatus and a process for the preparation of an agglomerated material | Performing Operations; Transporting | 13 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.