Thomas Robert Norquist
30Patents
3h-index
23Co-inventors
63Inventor score
Filing activity: Aug 28, 1995 → Dec 29, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD388148S | Playground slide | General | 32 | Expired |
| USD863486S1 | Swing seat | General | 8 | Active |
| US9084940B2 | Swing designed to promote attunement between child and caretaker | Human Necessities | 8 | Active |
| USD919032S1 | Swing seat | General | 3 | Active |
| USD386237S | Double helix ladder | General | 2 | Expired |
| US11202965B2 | Water effect play units and structures | Human Necessities | 1 | Active |
| US9873057B1 | Rotatable play device | Human Necessities | 1 | Active |
| US10898817B2 | Playground climbing structures | Human Necessities | 1 | Active |
| USD1033068S1 | Bench | General | 1 | Active |
| USD1088164S1 | Playground amusement device | General | 0 | Active |
| US10391411B2 | Swing designed to promote attunement between child and caretaker | Human Necessities | 0 | Active |
| US11589683B2 | High chair secured to picnic table | Human Necessities | 0 | Active |
| US10888793B2 | Swing designed to promote attunement between child and caretaker | Human Necessities | 0 | Active |
| US10835831B2 | Rotatable play device | Human Necessities | 0 | Active |
| US10369481B2 | Inclusive play panels and playground structures comprising the panels | Human Necessities | 0 | Active |
| US11364445B2 | Rotatable play device | Human Necessities | 0 | Active |
| US11511205B2 | Playground climbing structures | Human Necessities | 0 | Active |
| USD1031297S1 | Chair | General | 0 | Active |
| US11197559B2 | High chair secured to picnic table | Human Necessities | 0 | Active |
| US10391409B2 | Rotatable play device | Human Necessities | 0 | Active |
| US12251618B2 | Topographical playground structures, a structural framework thereof, and a method of making the topographical structures | Human Necessities | 0 | Active |
| US11806633B2 | Water effect play units and structures | Human Necessities | 0 | Active |
| US11911707B2 | Rotatable play device | Human Necessities | 0 | Active |
| US11511203B2 | Swing designed to promote attunement between child and caretaker | Human Necessities | 0 | Active |
| US10881971B2 | Rotatable play device | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.