Michael Parham
11Patents
4h-index
23Co-inventors
52Inventor score
Filing activity: Jul 22, 2008 → Sep 22, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8402966B2 | Air purifying respirator having inhalation and exhalation ducts to reduce rate of pathogen transmission | Human Necessities | 23 | Active |
| US7860662B2 | Systems and methods for determining filter service lives | Performing Operations; Transporting | 15 | Active |
| US10556136B2 | Half facepiece | Emerging Cross-Sectional Technologies | 6 | Active |
| US10537755B2 | Heat deformable material for face seal | Human Necessities | 4 | Active |
| US11273333B2 | Respirator with phase change material | Human Necessities | 4 | Active |
| US10744352B2 | Half facepiece | Human Necessities | 4 | Active |
| US8328903B2 | Determining effluent concentration profiles and service lives of air purifying respirator cartridges | Human Necessities | 3 | Active |
| US10576407B2 | Method and apparatus for integrating chemical and environmental sensors into an air purification filter through a reusable sensor post | Performing Operations; Transporting | 1 | Active |
| US9504859B2 | Method and apparatus for integrating chemical and environmental sensors into an air purification filter through a reusable sensor port | Performing Operations; Transporting | 1 | Active |
| US8979985B2 | Conformal split planar flow air purifying filter | Performing Operations; Transporting | 0 | Active |
| US11344752B2 | System and method for monitoring a service life of a filter with a respirator filter sampling port assembly | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.