Durr Environmental, Inc.
13Patents
0Active
13Granted
30Portfolio score
Filing activity: Mar 4, 1994 → Mar 30, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6294000A | Rotary concentrator and method of processing adsorbable pollutants | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US6299847A | Ammonia catalytic abatement apparatus and method | Chemistry; Metallurgy | 15 | Expired |
| US5891219A | Two stage rotary concentrator | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6322356A | Pollution abatement reactor system having nonprismatic structured media | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5730945A | Purge retention chamber incorporated into RTO inlet manifold | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6228329A | Two chamber regenerative thermal or catalytic oxidizer with purging circuit | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6019940A | Method of processing industrial air stream for medical sterilizers | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6019902A | Fluid recovery system | Performing Operations; Transporting | 3 | Expired |
| US6293735A | Apparatus for cleaning a duct | Performing Operations; Transporting | 2 | Expired |
| US6361253B1 | Method of forming a fire break in a duct | Performing Operations; Transporting | 1 | Expired |
| US5925323A | Concentration averaging device for impurities in industrial air stream | Performing Operations; Transporting | 1 | Expired |
| US6579379B2 | Method of washing the media bed of a pollution abatement reactor | Performing Operations; Transporting | 1 | Expired |
| US6164962A | Rapid cooling down method for regenerative thermal oxidizer | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.