Smith Abrasives Inc
38Patents
11Active
38Granted
37Portfolio score
Filing activity: Sep 6, 1994 → Oct 21, 2011 · 11 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8221199B2 | Abrasive sharpener | Performing Operations; Transporting | 45 | Active |
| USD575124S1 | Electric sharpener | General | 34 | Expired |
| USD604134S1 | Abrasive sharpener | General | 28 | Expired |
| USD587550S1 | Two step knife sharpener | General | 28 | Expired |
| USD578581S1 | Pocket abrasive sharpener | General | 25 | Expired |
| USD526876S1 | Knife and scissors sharpener | General | 25 | Expired |
| USD365740S | Knife sharpener | General | 25 | Expired |
| USD626397S1 | Abrasive sharpener | General | 23 | Expired |
| USD575130S1 | Abrasive sharpener | General | 22 | Expired |
| USD499004S1 | Two step knife sharpener | General | 22 | Expired |
| USD604135S1 | Knife and scissors sharpener | General | 21 | Expired |
| USD575125S1 | Electric sharpener | General | 19 | Expired |
| USD587088S1 | Abrasive sharpener | General | 17 | Expired |
| USD603679S1 | Abrasive sharpener | General | 16 | Expired |
| USD640116S1 | Abrasive sharpener | General | 16 | Expired |
| USD604124S1 | Food grater | General | 10 | Expired |
| USD605906S1 | Food zester | General | 10 | Expired |
| US7153201B2 | Oval sharpening rod having interrupted diamond coated surface and process of manufacturing same | Performing Operations; Transporting | 10 | Expired |
| USD498654S1 | Diamond bench stone | General | 10 | Expired |
| USD666064S1 | Food zester | General | 9 | Active |
| US7553220B2 | Retractable abrasive sharpener and carrying case | Performing Operations; Transporting | 8 | Active |
| USD493684S1 | Abrasive stone | General | 8 | Expired |
| USD604133S1 | Electric sharpener | General | 8 | Expired |
| USD668918S1 | Food grater | General | 8 | Active |
| USD666463S1 | Food grater | General | 7 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.