Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Dual hardness sealing elements for blowout preventer

Dual hardness sealing elements for blowout preventer

US Patent 11761287 · Granted Sep 19, 2023

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Curable polyurethane prepolymer composition2025
Horizontal forming device2025
Functional polyisobutylene-containing oligomers and polymers2021
Method for testing a container for tightness2020
Curable elastomer compositions with low temperature sealing capability2018
Synthesis of functional polyisobutylene-containing oligomers and polymers2017
Flat composite component, in particular a vehicle body part2016
Automobile component made of plastic2013
UV-curable fuel cell sealants and fuel cells formed therefrom2012
Sealant integrated fuel cell components and methods and systems for producing th2012
Components comprising polyisobutylene compositions2011
Aromatic diamine polyurethane curatives with improved stability2010