Douglas E. Shaffer
11Patents
4h-index
18Co-inventors
57Inventor score
Filing activity: Mar 12, 1982 → Apr 22, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4468943A | Live bolt lock mechanism for safe door | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4949851A | Collapsible display | Human Necessities | 16 | Expired |
| US4398470A | Wall safe | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5970889A | Steel shell safe with snap-in resin liner | Fixed Constructions | 5 | Expired |
| US9782021B2 | Adjustable end cap display | Human Necessities | 4 | Active |
| US7748797B2 | Stackable blow molded cabinet | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6254149A | Live bolt latching and releasing system | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7731888B2 | Mold device and method for forming a lock bore | Emerging Cross-Sectional Technologies | 1 | Active |
| US8662603B2 | Protective enclosure including a pry resistant door | Fixed Constructions | 0 | Active |
| US11751701B2 | Modular stack displays | Human Necessities | 0 | Active |
| US12077352B2 | One piece convertible packages and display systems | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.