Aptech Engineering Services, Inc.
4Patents
0Active
4Granted
25Portfolio score
Filing activity: Jul 8, 1991 → Jun 10, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7261046B1 | System and method of reducing pulverizer flammability hazard and boiler nitrous oxide output | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5311829A | Method for reduction of sulfur oxides and particulates in coal combustion exhaust gases | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5133299A | Tubesheet cover plate | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US6883443B2 | Method for reduction of slagging and fouling of the waterwalls and of the firebox and superheater and reheater of steam boilers with coal combustion | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.