Erno Rubik
12Patents
8h-index
9Co-inventors
61Inventor score
Filing activity: Jul 24, 1981 → Dec 28, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4817952A | Electronic spatial logical toy containing movable and/or rotatable elements | Human Necessities | 37 | Expired |
| US4378116A | Spatial logical toy | Human Necessities | 31 | Expired |
| US4392323A | Toy with turnable elements for forming geometric shapes | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4378117A | Spatial logical toy | Human Necessities | 24 | Expired |
| US5184822A | Three-dimensional puzzle | Human Necessities | 19 | Expired |
| US4640062A | Framework truss with variable cantilever length | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4410179A | Shiftable element puzzle | Human Necessities | 11 | Expired |
| US5042118A | Clamping device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4773619A | Aircraft structure for take-off and landing on a pilot's feet | Performing Operations; Transporting | 4 | Expired |
| US4685681A | Composite array apparatus and method | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4471959A | Logical toy | Human Necessities | 3 | Expired |
| US4685680A | Foldable composite system | Human Necessities | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.