John Ward
23Patents
16h-index
14Co-inventors
78Inventor score
Filing activity: Feb 21, 1980 → Jul 11, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7150365B2 | Product securement and management system | Physics | 166 | Expired |
| US7451881B2 | Product securement and management system | Human Necessities | 150 | Active |
| US7299934B2 | Product securement and management system | Physics | 149 | Active |
| US7621409B2 | Product securement and management system | Human Necessities | 123 | Active |
| US5591080A | Exhaust vent cover | Mechanical Engineering; Lighting; Heating | 75 | Expired |
| US7661545B2 | Product securement and management system | Physics | 64 | Expired |
| US5016843A | Pipe clamp | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US7389886B2 | Product securement and management system | Physics | 50 | Active |
| USD344449S | C-shaped wire clip | General | 46 | Expired |
| US8205401B2 | Roof vent and system | Emerging Cross-Sectional Technologies | 42 | Active |
| US7497341B2 | Product securement and management system | Physics | 40 | Active |
| US7669722B2 | Product securement and management system | Physics | 34 | Active |
| US4306339A | Power operated pipe slips and pipe guide | Fixed Constructions | 33 | Expired |
| US5578795A | Inlet valve assembly for central vacuum system | Electricity | 29 | Expired |
| US7757890B2 | Cylindrical container dispenser | Physics | 25 | Active |
| US4904379A | Skimmer-diverter assembly for removing debris from swimming pools and the like | Fixed Constructions | 19 | Expired |
| US5448827A | Method of installing an inlet valve assembly for central vacuum system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5664375A | Exterior building product device | Fixed Constructions | 11 | Expired |
| US5938061A | Central vacuum inlet mounting plate with removable protector | Electricity | 10 | Expired |
| US5886299A | Inlet valve assembly for central vacuum system | Electricity | 9 | Expired |
| US9375659B2 | Solids containment device for use within or in association with hydromechanical grease interceptor | Fixed Constructions | 2 | Active |
| USD416781S | Inlet valve mounting plate with removable protector | General | 1 | Expired |
| US8631817B2 | Central vacuum inlet valve assembly | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.