Snell & Wilcox Limited
53Patents
9Active
53Granted
37Portfolio score
Filing activity: Mar 25, 1991 → Dec 17, 2007 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6898321B1 | Method and apparatus for blocking effect reduction | Electricity | 168 | Expired |
| US6088393A | Video signal processing | Electricity | 43 | Expired |
| US6285716A | Video compression | Electricity | 43 | Expired |
| US5255091A | Digital television standards conversion | Electricity | 37 | Expired |
| US6259489A | Video noise reducer | Electricity | 28 | Expired |
| US5734435A | Video processing to convert between field rates | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5874991A | Apparatus for the creation of video test signals | Electricity | 20 | Expired |
| US6674802B2 | Video process where part of compressed version of video signal accompanies video signal itself | Electricity | 19 | Expired |
| US6668088B1 | Digital signal compression encoding with improved quantisation | Electricity | 15 | Expired |
| US6075818A | Video signal processing | Electricity | 15 | Expired |
| US6625221B2 | Video compression | Electricity | 12 | Expired |
| US7009656B2 | Video signal processing | Electricity | 11 | Expired |
| US6229851A | Method and apparatus for looping of compressed video bitstreams | Electricity | 10 | Expired |
| US6480232B1 | Video processing to convert between field rates | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5805207A | Moving image reproduction system providing compensation for cinematographic artifacts | Electricity | 8 | Expired |
| US7023925B1 | Data compression unit control for alignment of output signal | Electricity | 7 | Expired |
| USD565046S1 | Control panel | General | 6 | Expired |
| US5754246A | Video signal processing with motion compensation at low bandwidth | Electricity | 6 | Expired |
| US5166792A | Video signal processing and video stores | Electricity | 6 | Expired |
| US7492822B2 | Compression techniques | Electricity | 6 | Expired |
| USD573989S1 | Keyboard for control desk | General | 5 | Expired |
| US6421749B1 | Playback and monitoring of compressed bitstreams | Electricity | 5 | Expired |
| US6922214B1 | Video signal processing | Electricity | 5 | Expired |
| USD562318S1 | Display with input mechanisms | General | 4 | Expired |
| US5602762A | Digital sample rate conversion | Electricity | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.