Robert E. Newnham
23Patents
14h-index
21Co-inventors
81Inventor score
Filing activity: Aug 19, 1974 → Jan 11, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5729077A | Metal-electroactive ceramic composite transducer | Electricity | 124 | Expired |
| US4999819A | Transformed stress direction acoustic transducer | Physics | 115 | Expired |
| US4412148A | PZT Composite and a fabrication method thereof | Emerging Cross-Sectional Technologies | 100 | Expired |
| US5276657A | Metal-electroactive ceramic composite actuators | Electricity | 44 | Expired |
| US4613784A | Transversely reinforced piezoelectric composites | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6215231A | Hollow sphere transducers | Human Necessities | 39 | Expired |
| US4227111A | Flexible piezoelectric composite transducers | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4624796A | Piezoelectric filler and flexible piezoelectric composites | Electricity | 32 | Expired |
| US7437817B2 | Process for fabricating hollow electroactive devices | Emerging Cross-Sectional Technologies | 25 | Active |
| US4109359A | Method of making ferroelectric crystals having tailored domain patterns | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6232702A | Flextensional metal-ceramic composite transducer | Physics | 23 | Expired |
| US4422003A | Perforated PZT polymer composites | Electricity | 23 | Expired |
| US4485321A | Broad bandwidth composite transducers | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6614143B2 | Class V flextensional transducer with directional beam patterns | Electricity | 15 | Expired |
| US4728845A | 1-3-0 Connectivity piezoelectric composite with void | Electricity | 14 | Expired |
| USH415H | Multilayer PTCR thermistor | General | 13 | Active |
| US5166907A | Frequency agile sonic transducer | Electricity | 13 | Expired |
| US4761711A | Barrier layer ceramic dielectric capacitor containing barium plumbate | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4977547A | Method of detecting sound in water using piezoelectric-polymer composites with 0-3 connectivity | Electricity | 11 | Expired |
| US4027074A | Process for producing ferroelectric crystalline material | Chemistry; Metallurgy | 10 | Expired |
| US4944891A | Easily poled 0-3 piezoelectric composites for transducer applications | Electricity | 9 | Expired |
| US6654993B2 | Process for fabricating hollow electroactive devices | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7019445B2 | Process for fabricating hollow electroactive devices | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.