Inventor · Spruce Grove, AB, CA

Darel Mesher

32Patents
11h-index
1Co-inventors
65Inventor score

Filing activity: Feb 21, 1990 → Nov 7, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5082173A Environmental controller for a sealed structure Emerging Cross-Sectional Technologies 69 Expired
US9849895B2 Sensor synchronization apparatus and method Physics 23 Active
US9618335B2 Light emission power control apparatus and method Emerging Cross-Sectional Technologies 19 Active
US9860962B2 Light emission power control apparatus and method Physics 18 Active
US9950720B2 Light emission power control apparatus and method Emerging Cross-Sectional Technologies 18 Active
US10362293B2 3D track assessment system and method Physics 17 Active
US10582187B2 3D track assessment method Physics 13 Active
US10322734B2 Sensor synchronization apparatus and method Physics 13 Active
US10625760B2 Apparatus and method for calculating wooden crosstie plate cut measurements and rail seat abrasion measurements based on rail head height Physics 13 Active
US10349491B2 Light emission power control apparatus and method Emerging Cross-Sectional Technologies 13 Active
US10730538B2 Apparatus and method for calculating plate cut and rail seat abrasion based on measurements only of rail head elevation and crosstie surface elevation Performing Operations; Transporting 13 Active
US10616557B2 3D track assessment method Physics 11 Active
US9849894B2 Protective shroud for enveloping light from a light emitter for mapping of a railway track Performing Operations; Transporting 11 Active
US10616556B2 3D track assessment method Physics 11 Active
US10384697B2 Protective shroud for enveloping light from a light emitter for mapping of a railway track Performing Operations; Transporting 11 Active
US10616558B2 3D track assessment method Physics 10 Active
US11259007B2 3D track assessment method Physics 9 Active
US11169269B2 System and method for generating and interpreting point clouds of a rail corridor along a survey path Physics 7 Active
US11377130B2 Autonomous track assessment system Performing Operations; Transporting 7 Active
US10435052B2 Broken wheel detection system Electricity 7 Active
US10807623B2 Apparatus and method for gathering data from sensors oriented at an oblique angle relative to a railway track Physics 6 Active
US10908291B2 System and method for generating and interpreting point clouds of a rail corridor along a survey path Physics 4 Active
US11196981B2 3D track assessment apparatus and method Physics 4 Active
US11399172B2 3D track assessment apparatus and method Physics 3 Active
US10723373B2 Broken wheel detection system Electricity 1 Active

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