John Wang
17Patents
9h-index
9Co-inventors
65Inventor score
Filing activity: Sep 21, 1987 → Dec 7, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5228156A | Fluid operated device | Human Necessities | 103 | Expired |
| US6907949B1 | Battery powered motor vehicle and method of use | Emerging Cross-Sectional Technologies | 102 | Expired |
| USD507206S1 | Motor driven vehicle for transporting a standing person | General | 80 | Expired |
| US4833973A | Pressure actuated assembly extendable by fluid pressure and retractable by spring action | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5014966A | Adjustable telescopic apparatus | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5115723A | Height adjusting device | Human Necessities | 13 | Expired |
| US4784362A | Hydraulic automatically ascending apparatus with a volume-variable oil tank | Human Necessities | 12 | Expired |
| US5028037A | Automatic lifting apparatus | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4832318A | Lifting telescoping tube | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5092567A | Pressure actuated assembly | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6855439B1 | Highly oriented longitudinal magnetic media on direct textured glass substrates | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7407720B2 | Interlayer design for magnetic media | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5161629A | Helical pipe incorporated in a hydraulically actuated scale | Physics | 1 | Expired |
| US11222663B1 | Active spacing control for contactless tape recording | Physics | 1 | Active |
| US5362034A | Hydraulic height adjusting device | Human Necessities | 1 | Expired |
| US12200419B2 | Acoustic tube and hearing device system including same | Electricity | 0 | Active |
| US12051453B2 | Active spacing control for contactless tape recording | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.