Charles E. Hall
32Patents
15h-index
16Co-inventors
78Inventor score
Filing activity: Mar 31, 1978 → Dec 23, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5745044A | Electronic security system | Electricity | 224 | Expired |
| US5140317A | Electronic security system | Emerging Cross-Sectional Technologies | 158 | Expired |
| US6005487A | Electronic security system with novel electronic T-handle lock | Emerging Cross-Sectional Technologies | 128 | Expired |
| US5219324A | Anterior dorsal ankle foot orthoses | Human Necessities | 77 | Expired |
| US5189789A | Method for sealing tubes | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4998952A | Key for electronic and mechanical locks | Emerging Cross-Sectional Technologies | 40 | Expired |
| US6050165A | Ratchet box wrench | Performing Operations; Transporting | 28 | Expired |
| US5136301A | Primary flight display system having a vertical linear altimeter | Physics | 28 | Expired |
| US5038588A | High security T-handle lock assembly with front handle improvements | Emerging Cross-Sectional Technologies | 26 | Expired |
| USD299169S | Spinal massager | General | 24 | Expired |
| US5337915A | Apparatus for storing and preserving food products and for selectively dispensing the food products from the apparatus | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4866964A | Removable core lock | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4732568A | Electrical connector with integral ground strap for shielded cable | Electricity | 20 | Expired |
| USD333972S | Housing for an electronic key reader | General | 16 | Expired |
| US5010745A | High security post lock | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD672657S1 | Pourable product container | General | 15 | Active |
| US8746453B1 | Double-handle, stackable, pourable product container | Performing Operations; Transporting | 15 | Active |
| USD412265S | Container lid having a double-pour spout | General | 13 | Expired |
| USD690203S1 | Double-handle pourable product container | General | 11 | Active |
| US4976307A | Apparatus and method for sealing tubes | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5884800A | Container lid with bag securing apron | Performing Operations; Transporting | 10 | Expired |
| US5944973A | Water treatment device | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4674822A | Multi-conductor shielded cable | Electricity | 8 | Expired |
| US8132690B2 | Universal box top lid | Performing Operations; Transporting | 8 | Expired |
| US4874330A | Capacity modular plug | Electricity | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.