David Alexander
14Patents
13h-index
18Co-inventors
75Inventor score
Filing activity: Oct 6, 1993 → Sep 12, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6929481B1 | Interface device and method for interfacing instruments to medical procedure simulation systems | Physics | 166 | Expired |
| US7833018B2 | Interface device and method for interfacing instruments to medical procedure simulation systems | Physics | 80 | Expired |
| US7806696B2 | Interface device and method for interfacing instruments to medical procedure simulation systems | Physics | 79 | Active |
| US7931470B2 | Interface device and method for interfacing instruments to medical procedure simulation systems | Physics | 79 | Expired |
| US9849337B2 | Cardio-based exercise systems with visual feedback on exercise programs | Human Necessities | 72 | Active |
| US5878228A | Data transfer server with time slots scheduling base on transfer rate and predetermined data | Electricity | 67 | Expired |
| US6014707A | Stateless data transfer protocol with client controlled transfer unit size | Electricity | 50 | Expired |
| USD511113S1 | Biometric personal identification device | General | 40 | Expired |
| US5355987A | Single station reverse vending machine | Emerging Cross-Sectional Technologies | 29 | Expired |
| US8480406B2 | Interface device and method for interfacing instruments to medical procedure simulation systems | Physics | 21 | Active |
| US5630493A | Acceptance assembly for a reverse vending machine | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD511114S1 | Attachable biometric personal identification device | General | 14 | Expired |
| US5560552A | Container cutting assembly | Performing Operations; Transporting | 13 | Expired |
| US9440113B2 | Cardio-based exercise systems with visual feedback on exercise programs | Human Necessities | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.