Eric J. Marshall
37Patents
12h-index
9Co-inventors
74Inventor score
Filing activity: Mar 23, 1979 → Jun 28, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9675132B2 | Shoe with collapsible heel | Human Necessities | 65 | Active |
| USD284193S | Combined telephone, recorder and portable computer | General | 61 | Expired |
| USD266509S | Housing for an intercom or similar business machine | General | 45 | Expired |
| USD275950S | Telephone | General | 28 | Expired |
| USD283126S | Telephone | General | 26 | Expired |
| USD262879S | Telephone | General | 25 | Expired |
| USD268579S | Telephone | General | 24 | Expired |
| USD275568S | Telephone | General | 19 | Expired |
| USD267880S | Display terminal or similar article | General | 17 | Expired |
| USD284571S | Telephone set | General | 16 | Expired |
| USD279894S | Telephone | General | 14 | Expired |
| USD282840S | Telephone | General | 12 | Expired |
| USD276723S | Handset telephone instrument | General | 12 | Expired |
| USD275853S | Telephone | General | 12 | Expired |
| USD282928S | Telephone handset | General | 11 | Expired |
| USD283319S | Telephone | General | 11 | Expired |
| USD287850S | Telephone set | General | 11 | Expired |
| USD276157S | Telephone | General | 11 | Expired |
| US4426947A | Sewing machines | Textiles; Paper | 10 | Expired |
| USD276721S | Telephone | General | 8 | Expired |
| USD284655S | Housing for combined handset and stand telephone unit | General | 8 | Expired |
| US4511268A | High speed printer | Emerging Cross-Sectional Technologies | 8 | Expired |
| USD284856S | Telephone components stack set | General | 7 | Expired |
| US8239425B1 | Isolating desired content, metadata, or both from social media | Physics | 7 | Active |
| US9737114B2 | Articles of footwear with upper incorporating chamber element | Human Necessities | 6 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.