Duane C. McCormick
21Patents
8h-index
43Co-inventors
75Inventor score
Filing activity: Jun 26, 1996 → Aug 2, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6986251B2 | Organic rankine cycle system for use with a reciprocating engine | Mechanical Engineering; Lighting; Heating | 70 | Expired |
| US6379110B1 | Passively driven acoustic jet controlling boundary layers | Emerging Cross-Sectional Technologies | 67 | Expired |
| US6390418B1 | Tangentially directed acoustic jet controlling boundary layer | Emerging Cross-Sectional Technologies | 45 | Expired |
| US7229251B2 | Rotor hub fairing system for a counter-rotating, coaxial rotor system | Performing Operations; Transporting | 35 | Expired |
| US5808243A | Multistage turbulence shield for microphones | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7530787B2 | Rotor hub fairing system for a counter-rotating, coaxial rotor system | Performing Operations; Transporting | 27 | Active |
| US6049615A | Intergrated active noise control system for air handling unit | Physics | 13 | Expired |
| US7043912B1 | Apparatus for extracting exhaust heat from waste heat sources while preventing backflow and corrosion | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5828760A | Non-linear reduced-phase filters for active noise control | Physics | 6 | Expired |
| US8596050B2 | Sound attenuating heat exchanger for an internal combustion engine | Emerging Cross-Sectional Technologies | 4 | Active |
| US9127837B2 | Low pressure drop, low NOx, induced draft gas heaters | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US11117007B2 | Noise reducing fire suppression nozzles | Performing Operations; Transporting | 1 | Active |
| US10941776B2 | Screw compressor resonator arrays | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US12186606B2 | Low noise discharge nozzle | Human Necessities | 0 | Active |
| US12180853B2 | Combination seal for a supercritical carbon dioxide turbo generator | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11725536B2 | Combination seal for a supercritical carbon dioxide turbo generator | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US12359814B2 | Reducing noise from a combustor of a gas turbine engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US11598527B2 | Reducing noise from a combustor of a gas turbine engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US11808264B2 | Multi-stage resonator for compressor | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11931613B2 | Noise reducing fire suppression nozzles | Performing Operations; Transporting | 0 | Active |
| US7080977B2 | Discharge diffuser for screw compressor | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.