Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Spacer spring for a three-part oil scraper ring and three-part oil scraper ring having said spacer spring

Spacer spring for a three-part oil scraper ring and three-part oil scraper ring having said spacer spring

US Patent 11725730 · Granted Aug 15, 2023

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

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
Piston for internal combustion engines, and use of a piston for internal combust2022
Two-part oil control ring having axial stabilization and twist compensation2020
Nitridable piston rings2017
Method of producing a piston ring having embedded particles2015
Method for producing piston rings2015
Steel material composition for producing piston rings and cylinder sleeves2014
Piston for an internal combustion engine comprising a ring carrier being formed 2014
Nitratable steel piston rings and steel cylindrical sleeves, and casting method 2014
Steel material composition for producing piston rings and cylinder sleeves2013