LexDanaLexDanabeta
Inventor

Douglas Earnest

Inventor
San Antonio, TX, US

Overview

2→
Patents
2004–2020
Patent span
Physics
Primary field (CPC G)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties67%
B61KAuxiliary equipment specially adapted for railways, not otherwise provided for33%
PatentTitleYear
10,739,314Omni-directional guided wave testing of plate structures using probe having rotating guided wave sensor20206,768,298'Transverse crack detection in rail head using low frequency eddy currents'2004

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2004Patents assigned to TRANSP TECHNOLOGY CT INC (1)· patent assignee history
2004–2020Based in San Antonio, TX, US· patent location history
2020Patents assigned to SOUTHWEST RES INST (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SOUTHWEST RES INST12020
TRANSP TECHNOLOGY CT INC12004
Locations
LocationPatentsSpan
San Antonio, Texas, US22004–2020