William R. Gray
7Patents
2Active
7Granted
37Portfolio score
Filing activity: Sep 21, 1998 → Apr 4, 2007 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6980381B2 | Apparatus and method for predicting failure of a disk drive | Physics | 68 | Expired |
| US6725916B2 | Plunger with flow passage and improved stopper | Fixed Constructions | 67 | Expired |
| US6249887A | Apparatus and method for predicting failure of a disk drive | Physics | 44 | Expired |
| US6449886B1 | Universal transparent greeting card and multiple purpose holder | Physics | 24 | Expired |
| US7093652B2 | Plunger with multiple jackets | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7523854B2 | Drain pan assembly | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US7681729B2 | System for metering a length of duct from a flexible container retaining the duct in a longitudinally compressed state | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.