AES Engineering Ltd.
49Patents
32Active
49Granted
49Portfolio score
Filing activity: Jun 30, 1983 → Jan 4, 2019 · 11 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7758051B2 | Gas seal assembly | Mechanical Engineering; Lighting; Heating | 80 | Expired |
| US6428011B1 | Mechanical seals | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US5344164A | Mechanical seals | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5354070A | Split mechanical seal | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US4509762A | Stationary assembly for mechanical shaft seal | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US8056902B2 | Isolator seal | Mechanical Engineering; Lighting; Heating | 17 | Active |
| US5324048A | Mechanical seals | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US8047548B2 | Bearing alignment device and seal arrangement | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US6224061A | Mechanical seals | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5927722A | Mechanical seal | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US9383039B2 | Pipe brace | Electricity | 7 | Active |
| US7722050B2 | Mechanical seal bearing protector | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7857321B2 | Bearing protector with air purge | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US7905496B2 | Bearing protector for axial shaft movement | Emerging Cross-Sectional Technologies | 6 | Active |
| US7497229B2 | Seal support system with discharging means | Emerging Cross-Sectional Technologies | 6 | Active |
| US8955848B2 | Mechanical seal | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US7669858B2 | Mechanical seal support systems | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US7029012B2 | Mechanical seal without elastomers | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US5794939A | Thin faced balanced seal | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US9010494B2 | Bearing lubrication | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10337616B2 | Mechanical seal assembly | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7748715B2 | Bearing seal | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US7082962B2 | Seal support system for maintaining barrier fluid pressure within a mechanical seal | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6672591B1 | Drive pins in a mechanical seal | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US9423032B2 | Annular seal cavity throat bushing | Mechanical Engineering; Lighting; Heating | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.