Steven P. Hellstrom
12Patents
11h-index
7Co-inventors
61Inventor score
Filing activity: Aug 28, 1990 → Jan 4, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5924584A | Container closure with a frangible seal and a connector for a fluid transfer device | Emerging Cross-Sectional Technologies | 136 | Expired |
| US5891129A | Container cap assembly having an enclosed penetrator | Emerging Cross-Sectional Technologies | 106 | Expired |
| US5954104A | Container cap assembly having an enclosed penetrator | Emerging Cross-Sectional Technologies | 104 | Expired |
| US5380173A | Peristaltic pump | Mechanical Engineering; Lighting; Heating | 93 | Expired |
| US6524295B2 | Container cap assembly having an enclosed penetrator | Emerging Cross-Sectional Technologies | 89 | Expired |
| US6695829B2 | Container closure system | Emerging Cross-Sectional Technologies | 75 | Expired |
| US5082429A | Peristaltic pump | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6635043B2 | Container cap assembly having an enclosed penetrator | Emerging Cross-Sectional Technologies | 43 | Expired |
| USD425195S | Combined pharmaceutical container and cap | General | 28 | Expired |
| US6610041B2 | Penetrator for a container occluded by a stopper | Emerging Cross-Sectional Technologies | 19 | Expired |
| USD421496S | Combined pharmaceutical container and cap | General | 15 | Expired |
| USD421495S | Pharmaceutical container | General | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.