Mechadyne PLC
41Patents
19Active
41Granted
43Portfolio score
Filing activity: Oct 25, 1999 → Jan 28, 2011 · 19 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6725817B2 | Variable phase drive mechanism | Emerging Cross-Sectional Technologies | 47 | Expired |
| US6725818B2 | Variable camshaft assembly | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7444968B2 | Variable phase drive coupling | Mechanical Engineering; Lighting; Heating | 23 | Active |
| US6213071A | Variable phase coupling | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6247436A | Engine front cover | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US7284517B2 | Camshaft to phaser coupling | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US7270096B2 | Variable phase drive mechanism | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6253719A | Variable phase mechanism | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6253720A | Variable phase coupling | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6250267A | Rolling element phaser | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7287499B2 | Camshaft assembly | Emerging Cross-Sectional Technologies | 14 | Expired |
| US7669566B2 | Hydraulic camshaft phaser with mechanical lock | Mechanical Engineering; Lighting; Heating | 14 | Active |
| US6308669A | Phase change coupling | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7958859B2 | Camshaft assembly | Emerging Cross-Sectional Technologies | 9 | Active |
| US6182362A | Method of manufacturing a multi-component camshaft | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6354255B1 | Valve actuating mechanism | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6854434B2 | Engine with variable valve mechanism | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7051688B2 | Camshaft phase shifting mechanism | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7117831B2 | Engine with variable lift valve mechanism | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7938090B2 | Variable phase mechanism | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US8225762B2 | Camshaft assembly | Emerging Cross-Sectional Technologies | 7 | Active |
| US6941910B2 | Adjustable valve control system with twin cams and cam lift summation lever | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US8113158B2 | Engine with variable valve actuating mechanism | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8261705B2 | Camshaft and phaser assembly | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6591800B1 | Phase change mechanism | Mechanical Engineering; Lighting; Heating | 5 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.