James E. Springett
16Patents
10h-index
11Co-inventors
69Inventor score
Filing activity: Sep 12, 1995 → Aug 22, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5617849A | Respirator having thermochromic fit-indicating seal | Physics | 135 | Expired |
| US6923182B2 | Crush resistant filtering face mask | Human Necessities | 84 | Expired |
| US7902096B2 | Monocomponent monolayer meltblown web and meltblowing apparatus | Emerging Cross-Sectional Technologies | 59 | Active |
| US6827764B2 | Molded filter element that contains thermally bonded staple fibers and electrically-charged microfibers | Emerging Cross-Sectional Technologies | 54 | Expired |
| US6102039A | Molded respirator containing sorbent particles | Human Necessities | 46 | Expired |
| US6234171A | Molded respirator containing sorbent particles | Human Necessities | 25 | Expired |
| US7754041B2 | Pleated filter with bimodal monolayer monocomponent media | Emerging Cross-Sectional Technologies | 24 | Active |
| US9770058B2 | Flat-fold respirator with monocomponent filtration/stiffening monolayer | Textiles; Paper | 24 | Active |
| US7858163B2 | Molded monocomponent monolayer respirator with bimodal monolayer monocomponent media | Emerging Cross-Sectional Technologies | 21 | Active |
| US10575571B2 | Flat-fold respirator with monocomponent filtration/stiffening monolayer | Textiles; Paper | 11 | Active |
| US7989371B2 | Meltblown fiber web with staple fibers | Emerging Cross-Sectional Technologies | 10 | Active |
| US8029723B2 | Method for making shaped filtration articles | Performing Operations; Transporting | 8 | Active |
| US8580182B2 | Process of making a molded respirator | Emerging Cross-Sectional Technologies | 5 | Active |
| US7989372B2 | Molded respirator comprising meltblown fiber web with staple fibers | Emerging Cross-Sectional Technologies | 1 | Active |
| US8506871B2 | Process of making a monocomponent non-woven web | Emerging Cross-Sectional Technologies | 1 | Active |
| US8372175B2 | Pleated filter with bimodal monolayer monocomponent media | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.