Here is the list of patents by Dr. Ringermacher.
- US 8,692,887 Thermal Imaging Method and Apparatus for Evaluating Coatings (4/8/14)
- US 8,393,784 Characterization of Flaws in Composites Identified by Thermography (3/31/08)
- US 8,238,642 Method for Measuring 3D on 2D infrared images (8/7/12)
- US 8,055,054 Method and Apparatus for Thermographic Nondestructive Evaluation (11-8-11)
- US 7,805,251 Two-slope Reference for Thermal Time-of-Flight Imaging (10-07)
- US 7,748,259 Systems and Methods for Solid Oxide Fuel Cell Surface Analysis (07-06-10)
- US 7,025,228 Nondestructive Inspection Using Laser-Ultrasound and Infrared Thermography (10-06)
- US 7,605,924 Improved Laser-Ultrasound Inspection Using Infrared Thermography (07-09)
- US 7,549,789 Method and Apparatus for Thermographic Nondestructive Evaluation of an Object (6-06)
- US 7,516,663 Systems and Method for Locating Dynamic Failure Events in Samples Under Load
- US 7,409,313 Method and Apparatus for Nondestructive Evaluation of Insulative Coating (01/06)
- US 7,078,702 Digital Imager and Digital Imaging Method (x-ray) (8/06)
- US 6,394,646 Method and Apparatus for Quantitative Nondestructive Evaluation of Metal Airfoils Using High Resolution Transient Thermography (5/28/02)
- US 6,367,969 Synthetic Reference Thermal Imaging Method (4/9/02)
- US 6,367,968 Thermal Resonance Imaging Method (4/9/02)
- US 6,911,914 Method and Apparatus for Detecting Hot Rail Car Surfaces (6/3/02)
- US 5,711,603 Nondestructive Testing: Transient Depth Thermography, (1998)
- US 5,041,856 In-Line Metallic Debris Detection Probe and Resonant Evaluation System Utilizing the Same, (1991).
- US 4,926,120 In-Line Metallic Debris Particle Detection System (1990).
- US 4,701,658 Broadband Acoustic Point-Contact Transducer (1987)