John E. Schwartz
9Patents
6h-index
9Co-inventors
56Inventor score
Filing activity: Apr 25, 1988 → Jun 1, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD348312S | Ceramic fragrance jar | General | 40 | Expired |
| USD452301S | Combination unit for heating, lighting and debugging an area | General | 31 | Expired |
| US5303843A | Fluid transport apparatus with water hammer eliminator system | Performing Operations; Transporting | 22 | Expired |
| US5465753A | Safety vessel and valve assembly | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5280874A | Internal valve | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4872640A | Valve apparatus | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5222517A | Fluid containment vessel with one or more recessed wells | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5113893A | Safety pressure relief valve shut-off | Emerging Cross-Sectional Technologies | 1 | Expired |
| US11420818B2 | Movable cover for fluid containment tanks | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.