Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Carbide or boride coated rotor for a positive displacement motor or pump

Carbide or boride coated rotor for a positive displacement motor or pump

US Patent 5395221 · Granted Mar 7, 1995

Estimated economic value: $5,814,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Tungsten tetraboride composite matrix and uses thereof2025
Cutting elements having non-planar surfaces and downhole cutting tools using suc2024
Tungsten tetraboride composite matrix and uses thereof2024
Metal matrix composite material for additive manufacturing of downhole tools2022
Cutting elements having non-planar surfaces and downhole cutting tools using suc2022
Tungsten tetraboride composite matrix and uses thereof2021
Polycrystalline diamond cutting elements with transition zones and downhole cutt2021
Apparatus and method for conducting hot work2021
Rolling cutter2021
Kerfing hybrid drill bit and other downhole cutting tools2020
Energy-emitting bits and cutting elements2020
Cutting structures for fixed cutter drill bit and other downhole cutting tools2019