Company Filing History:
2 out of 8 
1 out of 832,761 Years Active: 1991-1995
Title: Innovations by James F Bates, Jr.
Introduction
James F Bates, Jr. is an accomplished inventor based in Fond du Lac, WI (US). He holds a total of 3 patents that showcase his contributions to automotive technology. His inventions focus on testing devices for mass airflow sensors and ignition modules, which are crucial for vehicle performance.
Latest Patents
One of his notable inventions is a tester for mass airflow sensors. This device allows for the connection of a DC source to the mass airflow sensor, enabling the detection of defects through an LED and resistor circuit. If the LED does not flash or burns continuously, it indicates a defective sensor. A tachometer or frequency meter can be used to measure the pulse rate, providing valuable data related to mass airflow.
Another significant patent is a tester for the ignition module of a vehicle. This device connects to the ignition control module and includes an LED in series with a resistor. If the LED lights up brightly, it suggests a failed switching transistor. The tester can also indicate the module's capability to process ignition timing signals based on the LED's behavior.
Career Highlights
Throughout his career, James has worked with various companies, including A&E Manufacturing Company. His experience in the automotive industry has allowed him to develop practical solutions that enhance vehicle diagnostics.
Conclusion
James F Bates, Jr. has made significant contributions to automotive technology through his innovative testing devices. His patents reflect his dedication to improving vehicle performance and diagnostics.