Robert J. Heilman
12Patents
8h-index
11Co-inventors
69Inventor score
Filing activity: Feb 24, 1989 → Nov 23, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6179139A | Tamper-indicating closure | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5474194A | Closure with irreversible color change system | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7861980B1 | Hanger for rain gutter device | Fixed Constructions | 18 | Expired |
| US5289929A | Tamper indicating means for vacuum closures | Performing Operations; Transporting | 16 | Expired |
| US5035341A | Closure cap having tamper indicating means | Performing Operations; Transporting | 14 | Expired |
| US5016769A | Closure with high energy button | Performing Operations; Transporting | 12 | Expired |
| US5033633A | Plastic closure with safety button and method of forming same | Performing Operations; Transporting | 12 | Expired |
| US8528262B2 | Gutter-locking gutter protection | Emerging Cross-Sectional Technologies | 10 | Active |
| US5119963A | Mechanical button and button enhancement techniques | Performing Operations; Transporting | 5 | Expired |
| US5931350A | Push pull dispensing closure | Performing Operations; Transporting | 3 | Expired |
| US5074424A | Irreversible tamper indicator for mechanical button cap | Performing Operations; Transporting | 3 | Expired |
| US5005720A | Plastic cap with breakaway tamper band and method of forming same | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.