Inventor · Duncan, OK, US

James Alan Olis

14Patents
3h-index
9Co-inventors
45Inventor score

Filing activity: Aug 25, 2016 → Mar 13, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US11231111B2 Pump valve seat with supplemental retention Mechanical Engineering; Lighting; Heating 31 Active
US11105327B2 Valve assembly for a fluid end with limited access Emerging Cross-Sectional Technologies 28 Active
US11073144B1 Pump valve assembly Mechanical Engineering; Lighting; Heating 11 Active
US11441687B2 Pump fluid end with positional indifference for maintenance Mechanical Engineering; Lighting; Heating 3 Active
US10808846B1 Pump plunger with wrench features Mechanical Engineering; Lighting; Heating 2 Active
US11965503B2 Flexible manifold for reciprocating pump Mechanical Engineering; Lighting; Heating 1 Active
US11059154B2 Two-piece guide bushing Performing Operations; Transporting 1 Active
US11739748B2 Pump fluid end with easy access suction valve Mechanical Engineering; Lighting; Heating 1 Active
US11560888B2 Easy change pump plunger Mechanical Engineering; Lighting; Heating 0 Active
US11530750B2 Horizontal balanced guided valve Mechanical Engineering; Lighting; Heating 0 Active
US12247563B2 Flexible manifold for reciprocating pump Mechanical Engineering; Lighting; Heating 0 Active
US12404942B2 Plunger or piston with hardened insert Fixed Constructions 0 Active
US12188570B2 Optimal-contact suction valve assembly guide Mechanical Engineering; Lighting; Heating 0 Active
US11708823B1 Plunger actuated valve Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.