Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Oil wiper ring

Oil wiper ring

US Patent 8371585 · Granted Feb 12, 2013

Estimated economic value: $3,249,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Spacer spring for a three-part oil scraper ring and three-part oil scraper ring 2023
Three-part oil scraper ring2023
Multi-piece oil scraper ring with reduced friction2023
Scraper ring for a three-part oil scraper ring and three-part oil scraper ring2023
Method for producing a piston ring2021
Two-part oil control ring having axial stabilization and twist compensation2020
Compression piston ring with profiled section2019
Apparatus and method for controlling its operation2019
Sliding element, in particular piston ring2018
Compression piston ring2016
Piston ring with chromium solid particle wear-prevention layer and corrosion-res2016
Method for producing piston rings2016