Robert T. Stephen
22Patents
15h-index
10Co-inventors
74Inventor score
Filing activity: Aug 10, 1989 → Aug 30, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD404963S | Portable barbecue grill | General | 82 | Expired |
| USD462227S1 | Barbecue grill assembly | General | 73 | Expired |
| US5941229A | Barbecue cart and side work shelf assembly | Human Necessities | 54 | Expired |
| USD433279S | Barbecue cooker cover | General | 53 | Expired |
| US6155248A | Ash catcher assembly for barbecue grill | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US5934183A | Portable gas grill | Human Necessities | 39 | Expired |
| US5167183A | Smoker attachment for a portable gas grill | Human Necessities | 36 | Expired |
| USD395378S | Portable barbecue cart with side arms | General | 33 | Expired |
| US6102028A | Smoker attachment for a barbecue grill | Human Necessities | 32 | Expired |
| US5765469A | Portable gas grill | Human Necessities | 30 | Expired |
| USD462234S1 | Shelf for an outdoor cooking device | General | 29 | Expired |
| USD380933S | Barbecue grill | General | 28 | Expired |
| US5934184A | Portable gas grill | Human Necessities | 21 | Expired |
| US6102029A | Burner assembly for a gas barbecue grill | Human Necessities | 20 | Expired |
| US6318356A | Ash disposal and damping means for barbecue grill | Human Necessities | 15 | Expired |
| US6644175B2 | Barbecue grill cooking surface assembly | Human Necessities | 15 | Expired |
| US6354548B1 | Dropping side shelf assembly | Human Necessities | 13 | Expired |
| US6805113B2 | Support frame barbecue grill assembly | Human Necessities | 10 | Expired |
| US6363926B1 | Handle for a barbecue grill | Human Necessities | 8 | Expired |
| US6739558B2 | Barbecue grill assembly with a shelf component | Human Necessities | 6 | Expired |
| USD377682S | Heat reflector | General | 6 | Expired |
| USD431963S | Cart | General | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.