Stephen Derby
15Patents
6h-index
19Co-inventors
63Inventor score
Filing activity: May 25, 1988 → Sep 2, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6688451B2 | Multi-head robot system and method of use | Performing Operations; Transporting | 33 | Expired |
| US6860543B2 | Mechanism for moving a door | Fixed Constructions | 24 | Expired |
| US6394740B1 | Material handling device | Performing Operations; Transporting | 16 | Expired |
| US7104588B2 | Mechanism for moving a door | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4919586A | Mechanical closed loop robotic arm end effector positioning system | Performing Operations; Transporting | 14 | Expired |
| US6394736B1 | Bulk mail container unloading system, apparatus and method | Performing Operations; Transporting | 8 | Expired |
| US6565308B2 | Bulk mail container unloading system, apparatus and method | Performing Operations; Transporting | 5 | Expired |
| US6910519B2 | Process and apparatus for assembly of wax trees | Performing Operations; Transporting | 3 | Expired |
| US9410310B1 | Vertically and horizontally adjustable sink system for use by persons using a wheelchair and/or a walker | Human Necessities | 3 | Active |
| US9334081B2 | Folding side-wall container and automated system of use | Performing Operations; Transporting | 3 | Active |
| US7712598B1 | Robotic tread system having a net-zero motion head for moving objects | Performing Operations; Transporting | 2 | Active |
| US7601388B2 | Method and apparatus for transferring thin films from a source position to a target position | Emerging Cross-Sectional Technologies | 2 | Expired |
| US7147032B2 | Process and apparatus for assembly of wax trees | Performing Operations; Transporting | 0 | Expired |
| US7427314B2 | Desiccant container and method of manufacture | Performing Operations; Transporting | 0 | Active |
| US9399529B2 | Automated product engager, transporter and patterened depositor system | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.