William Butler
35Patents
20h-index
43Co-inventors
85Inventor score
Filing activity: Jun 1, 1990 → Apr 2, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5632957A | Molecular biological diagnostic systems including electrodes | Electricity | 741 | Expired |
| US6051380A | Methods and procedures for molecular biological analysis and diagnostics | Electricity | 419 | Expired |
| US6758854B1 | Splittable occlusion balloon sheath and process of use | Human Necessities | 203 | Expired |
| US6309601A | Scanning optical detection system | Electricity | 147 | Expired |
| US6099803A | Advanced active electronic devices for molecular biological analysis and diagnostics | Electricity | 105 | Expired |
| US6815664B2 | Method for separation of particles | Physics | 100 | Expired |
| US6833542B2 | Method for sorting particles | Physics | 90 | Expired |
| US6744038B2 | Methods of separating particles using an optical gradient | Physics | 82 | Expired |
| US8425402B2 | Cardiac anchor structures, methods, and systems for treatment of congestive heart failure and other conditions | Human Necessities | 67 | Active |
| US7745221B2 | Methods and apparatus for sorting cells using an optical switch in a microfluidic channel network | Emerging Cross-Sectional Technologies | 54 | Active |
| US8491455B2 | Treating dysfunctional cardiac tissue | Human Necessities | 54 | Active |
| US9173712B2 | Over-the-wire cardiac implant delivery system for treatment of CHF and other conditions | Human Necessities | 42 | Active |
| US6518022B1 | Method for enhancing the hybridization efficiency of target nucleic acids using a self-addressable, self-assembling microelectronic device | Electricity | 41 | Expired |
| US9173711B2 | Cardiac implant migration inhibiting systems | Human Necessities | 37 | Active |
| US6784420B2 | Method of separating particles using an optical gradient | Physics | 34 | Expired |
| US6315953A | Devices for molecular biological analysis and diagnostics including waveguides | Electricity | 32 | Expired |
| US8968175B2 | Treating dysfunctional cardiac tissue | Human Necessities | 31 | Active |
| US5091621A | Method and apparatus for destroying a syringe needle | Emerging Cross-Sectional Technologies | 28 | Expired |
| US9486206B2 | Treating dysfunctional cardiac tissue | Human Necessities | 26 | Active |
| US8691164B2 | Cell sorting system and methods | Emerging Cross-Sectional Technologies | 25 | Active |
| US6545242B1 | Apparatus and method for removing a needle from a syringe | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6726880B1 | Electronic device for performing active biological operations and method of using same | Electricity | 15 | Expired |
| US8426209B2 | Methods and apparatus for sorting cells using an optical switch in a microfluidic channel network | Emerging Cross-Sectional Technologies | 14 | Active |
| US5268549A | Method and apparatus for destroying a syringe needle | Human Necessities | 13 | Expired |
| US5264675A | Method and apparatus for destroying a syringe needle | Emerging Cross-Sectional Technologies | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.