Thomas Stark
20Patents
8h-index
40Co-inventors
75Inventor score
Filing activity: Feb 15, 1995 → Feb 6, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6263580A | Cutterhead for a portable handheld brushcutter | Human Necessities | 45 | Expired |
| US7158951B2 | Dynamic computer software for trading securities | Physics | 36 | Expired |
| US6904977B2 | Portable handheld work apparatus | Human Necessities | 19 | Expired |
| US6173855A | Tank closing device for a filler neck of a container | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6571756B1 | Two-cycle engine with a stratified charge | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6598299B2 | Eccentric drive for a portable handheld work apparatus | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5890292A | Portable hand-guided work apparatus having a tool guard | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6192769A | Adjustable gearhead for a hedge trimmer attachment | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7866571B2 | Portable spraying device | Performing Operations; Transporting | 8 | Active |
| US7673813B2 | Portable spray apparatus | Emerging Cross-Sectional Technologies | 7 | Active |
| US7269562B2 | Web service call flow speech components | Electricity | 6 | Expired |
| US5746160A | Hand-held working tool with combustion air channel arranged at blower housing | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5582143A | Actuating device for a decompression valve of an internal combustion engine with cable starter | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US9107352B2 | Furrow cutter | Human Necessities | 3 | Active |
| US7040518B2 | Support device for supporting an overhead branch cutter | Human Necessities | 3 | Expired |
| US7631388B2 | Hand-guided sweeper | Fixed Constructions | 2 | Active |
| US9468143B2 | Grass blade for a trimmer | Emerging Cross-Sectional Technologies | 2 | Active |
| US9320195B2 | Trimmer head for a trimmer | Human Necessities | 2 | Active |
| US10709954B1 | Resistance training exercise machines having safety locking mechanism | Human Necessities | 2 | Active |
| US10267220B2 | Portable work apparatus | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.