David Alan Welsh
9Patents
5h-index
27Co-inventors
63Inventor score
Filing activity: Mar 27, 1979 → Jan 11, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5381190A | Low vision lens assembly with adhesive coupling ring | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4632957A | Ethylenically unsaturated ethylene and propylene ureas containing alkylene urea groups or alkylene urethane groups, useful in coating compositions | Chemistry; Metallurgy | 17 | Expired |
| US4380601A | Thermosetting catonic acrylic latices and their use in coating compositions | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4209594A | Thermoplastic elastomer blends having improved resistance to oil | Chemistry; Metallurgy | 7 | Expired |
| US4629960A | Induction motor controller | Electricity | 5 | Expired |
| US10760410B2 | Stitching methods to enhance beamforming results | Physics | 1 | Active |
| US10365389B2 | MEMS-based transducers on a downhole tool | Physics | 0 | Active |
| US11208884B2 | Acoustic array signal processing for flow detection | Physics | 0 | Active |
| US10117913B2 | Antigens of Pneumocystis murina and uses thereof | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.