Daniel J. Schaefer
27Patents
14h-index
29Co-inventors
81Inventor score
Filing activity: May 11, 1984 → Oct 16, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5025519A | Multi-section mattress overlay for systematized pressure dispersion | Emerging Cross-Sectional Technologies | 134 | Expired |
| US5252278A | Method of making a mattress overlay | Emerging Cross-Sectional Technologies | 109 | Expired |
| US4862538A | Multi-section mattress overlay for systematized pressure dispersion | Emerging Cross-Sectional Technologies | 87 | Expired |
| US4712560A | Apparatus and method of acquiring physiological gating signals for magnetic resonance imaging of moving objects | Physics | 81 | Expired |
| US5580504A | Method of making a mattress overlay | Emerging Cross-Sectional Technologies | 74 | Expired |
| US5007124A | Support pad with uniform patterned surface | Human Necessities | 63 | Expired |
| US5083335A | Pressure reduction foam mattress support | Human Necessities | 59 | Expired |
| US4726087A | Contoured-head and neck foam pillow | Emerging Cross-Sectional Technologies | 50 | Expired |
| US4598701A | Shoulder abduction splint | Human Necessities | 47 | Expired |
| USD307688S | Mattress pad material | General | 37 | Expired |
| US5185576A | Local gradient coil | Physics | 26 | Expired |
| USD307689S | Mattress pad material | General | 21 | Expired |
| US4719406A | Phantom for performance evaluation of a nuclear magnetic resonance scanner | Physics | 19 | Expired |
| USD287641S | Arm elevator | General | 17 | Expired |
| US5107215A | RF power calibration for an NMR scanner | Physics | 11 | Expired |
| US5293126A | Local transverse gradient coil | Physics | 10 | Expired |
| USD771384S1 | Tool tray for a saw horse | General | 8 | Active |
| US6188220A | Method and apparatus for measuring vibration of a magnetic resonance imaging system | Physics | 7 | Expired |
| US8656813B1 | Locking pliers | Performing Operations; Transporting | 7 | Active |
| US7081752B2 | System and method of electrically loading radio-frequency coils using conductive polymers | Physics | 5 | Expired |
| US6882153B2 | Gradient coil apparatus for magnetic resonance imaging | Physics | 4 | Expired |
| US8888084B1 | Saw horse pipe clamp | Performing Operations; Transporting | 4 | Active |
| US8919229B1 | One handed quick release locking pliers | Performing Operations; Transporting | 3 | Active |
| US9352454B1 | One handed locking pliers | Performing Operations; Transporting | 2 | Active |
| US11488271B2 | System and method for supplier information management | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.