Inventor
SCHAEFER JOSEPH D
US12 patents
Patents
12 patentsUS9989501B2Jun 5, 2018
Method and apparatus for acoustic emissions testing
BOEING CO13 citations80
US10119940B2Nov 6, 2018
Acoustic emission sensor holder
BOEING CO4 citations69
US10254206B2Apr 9, 2019
Self contained load frame for in-situ inspection
BOEING CO2 citations65
US11966671B2Apr 23, 2024
Method for determining noodle and interface residual stresses and properties under hygrothermal-mechanical loadings
BOEING CO1 citations59
US11846055B2Dec 19, 2023
Manufacturing processes for improved mechanical performance of stitched composites
BOEING CO0 citations59
US10578528B2Mar 3, 2020
Compression test fixture and method therefor
BOEING CO1 citations51
US12523564B2Jan 13, 2026
Determination of structure fatigue properties
BOEING CO0 citations48
US12480850B2Nov 25, 2025
Tension load fixture and method for evaluating fracture behavior of a composite material
BOEING CO0 citations47
US10564130B2Feb 18, 2020
Method and apparatus for acoustic emissions testing
BOEING CO0 citations46
US10866175B2Dec 15, 2020
Self contained load frame for in-situ inspection
BOEING CO0 citations44
US11379628B2Jul 5, 2022
Reinforced composite structure analysis system
BOEING CO0 citations42
US10997330B2May 4, 2021
System and method for predicting failure initiation and propagation in bonded structures
BOEING CO0 citations42