Michael S. DeFranks
68Patents
13h-index
59Co-inventors
87Inventor score
Filing activity: Oct 1, 1997 → Dec 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8307482B2 | Mattress or mattress pad with gel section | Emerging Cross-Sectional Technologies | 56 | Active |
| US7849542B2 | Mattresses having flame resistant panel | Emerging Cross-Sectional Technologies | 40 | Active |
| US6931685B2 | One-sided mattress | Emerging Cross-Sectional Technologies | 36 | Expired |
| US9326616B2 | Active airflow temperature controlled bedding systems | Human Necessities | 26 | Active |
| US9119478B2 | Dual-spring plunger for a plunger matrix mattress | Mechanical Engineering; Lighting; Heating | 25 | Active |
| US7370380B2 | Mattress with removable top | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6493887B1 | Box spring corner guard | Human Necessities | 17 | Expired |
| US11134789B2 | Active comfort controlled bedding systems | Human Necessities | 16 | Active |
| US7827637B2 | Mattress with flame resistant moisture barrier | Emerging Cross-Sectional Technologies | 15 | Active |
| US9640167B2 | Smart pillows and processes for providing active noise cancellation and biofeedback | Physics | 15 | Active |
| USD681980S1 | Asymmetric coil spring | General | 15 | Active |
| US8181293B2 | Mattress with removable top | Emerging Cross-Sectional Technologies | 15 | Active |
| US7814594B2 | One-sided mattress | Emerging Cross-Sectional Technologies | 14 | Active |
| US8099811B2 | Multi-stranded coil spring | Mechanical Engineering; Lighting; Heating | 13 | Active |
| US8800979B2 | Systems and methods for cushion supports | Emerging Cross-Sectional Technologies | 13 | Active |
| US9657800B2 | Systems and methods for cushion supports | Emerging Cross-Sectional Technologies | 12 | Active |
| US7418753B2 | One-sided mattress | Emerging Cross-Sectional Technologies | 12 | Expired |
| US9642472B2 | Method of manufacturing an aged mattress assembly | Emerging Cross-Sectional Technologies | 11 | Active |
| US6687929B2 | Box spring corner guard | Human Necessities | 11 | Expired |
| US7587775B2 | Mattress with removable top | Emerging Cross-Sectional Technologies | 11 | Active |
| USD661925S1 | Coil spring | General | 10 | Active |
| US7690096B1 | Method of manufacturing an aged mattress assembly | Emerging Cross-Sectional Technologies | 10 | Active |
| US8689380B2 | Multi-stranded coil spring | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US9161634B2 | Asymmetrical combined cylindrical and conical springs | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US9756953B2 | Active airflow temperature controlled bedding systems | Human Necessities | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.