Erik Bach
30Patents
15h-index
15Co-inventors
78Inventor score
Filing activity: Jun 20, 1977 → Jun 8, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4743202A | Current-carrying building element | Human Necessities | 78 | Expired |
| US5848503A | Constructional building set having an electric conductor | Human Necessities | 55 | Expired |
| US4403733A | Track assembly for toy trains | Human Necessities | 54 | Expired |
| US6736691B1 | Toy building set with interconnection by means of tenons with snap | Human Necessities | 53 | Expired |
| USD346627S | Element for a toy building set | General | 38 | Expired |
| US4894040A | Toy building element with elements for providing positional information | Physics | 29 | Expired |
| US5042972A | Toy building set provided with elements that can sense bar codes | Physics | 29 | Expired |
| US5596181A | Electric switch | Electricity | 25 | Expired |
| USD296806S | Rail element for a toy railway system | General | 23 | Expired |
| USD296804S | Rail element for a toy railway system | General | 22 | Expired |
| US6508689B1 | Toy building set | Human Necessities | 20 | Expired |
| US6554676B1 | Toy building set | Human Necessities | 19 | Expired |
| US4461116A | Connecting member | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4589702A | Wheel, in particular for a toy building set | Human Necessities | 18 | Expired |
| US5373791A | Toy wheel | Human Necessities | 17 | Expired |
| US4715832A | Current-carrying element | Electricity | 13 | Expired |
| US6447358B1 | Toy building set | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5910037A | Toy building system | Human Necessities | 11 | Expired |
| US5876261A | Building set for a toy building | Human Necessities | 11 | Expired |
| US4430063A | Electrical machine constructional set | Physics | 11 | Expired |
| US4854742A | Wheel bearing, in particular for toy vehicles | Human Necessities | 9 | Expired |
| US5961364A | Building set for a toy building | Human Necessities | 7 | Expired |
| USD296803S | Rail element for a toy railway system | General | 6 | Expired |
| US6261147A | Toy building with associated fittings | Human Necessities | 5 | Expired |
| USD342553S | Element for a toy building set | General | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.