Patent assignee · GB · COMPANY

AES Engineering Ltd.

49Patents
32Active
49Granted
49Portfolio score

Filing activity: Jun 30, 1983 → Jan 4, 2019 · 11 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
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.