Donald A. DeLuca
23Patents
12h-index
9Co-inventors
74Inventor score
Filing activity: Oct 6, 1975 → Apr 15, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD345120S | Bus | General | 60 | Expired |
| USD485308S1 | Ink bottle | General | 47 | Expired |
| US6591456B2 | Cushioning device | Emerging Cross-Sectional Technologies | 32 | Expired |
| USD465809S1 | Writing instrument | General | 32 | Expired |
| US6755584B2 | Writing instrument | Performing Operations; Transporting | 29 | Expired |
| USD461500S1 | Writing instrument | General | 23 | Expired |
| US5213089A | Toy gun | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| USD456041S1 | Writing instrument | General | 16 | Expired |
| USD452877S1 | Writing instrument | General | 14 | Expired |
| USD453028S1 | Ink bottle | General | 13 | Expired |
| USD484190S1 | Writing instrument cap | General | 12 | Expired |
| USD468354S1 | Writing instrument grip | General | 12 | Expired |
| USD465808S1 | Writing instrument | General | 12 | Expired |
| US7070351B2 | Writing instrument with gripping device | Performing Operations; Transporting | 7 | Expired |
| US6536973B2 | Writing instrument | Performing Operations; Transporting | 5 | Expired |
| USD452883S1 | Writing instrument base | General | 5 | Expired |
| USD455178S1 | Retraction mechanism for writing instrument | General | 5 | Expired |
| USD466154S1 | Writing instrument | General | 3 | Expired |
| USD256985S | Wall plate-burlap in frame | General | 3 | Expired |
| US6746168B2 | Writing instrument | Performing Operations; Transporting | 3 | Expired |
| USD478933S1 | Writing instrument grip | General | 1 | Expired |
| USD480107S1 | Writing instrument grip | General | 1 | Expired |
| USD453189S1 | Desk set | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.