Company Filing History:
1 out of 30,943 
1 out of 5,161 
Years Active: 1998-2002
Title: Innovations by David Ross Crecelius
Introduction
David Ross Crecelius is an accomplished inventor based in Indianapolis, IN (US). He holds 2 patents that showcase his expertise in advanced ignition systems and motor control technologies. His innovative contributions have significantly impacted the fields of automotive technology and electrical engineering.
Latest Patents
One of his notable patents is the "Compression Sense Ignition System with Fault Mode Detection and Having Improved Capacitive Sensing." This invention features a sensing capacitor that develops a compression sense ignition signal, which is crucial for determining absolute engine position. The design incorporates epoxy potting material to enhance the reliability of the sensing capacitor, ensuring accurate performance even in the presence of faults.
Another significant patent is the "Speed Sensorless Hybrid Vector Controlled Induction Motor with Zero." This technology allows for operation from zero speed using indirect vector control, transitioning to direct vector control as the rotor begins to rotate. The system employs various low pass filters to optimize motor performance, enabling it to operate efficiently across the entire torque-speed range.
Career Highlights
David has worked with prominent companies such as GM Global Technology Operations LLC and Delphi Technologies, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in automotive technologies.
Collaborations
Throughout his career, David has collaborated with esteemed professionals, including Bimal K. Bose and Marcelo Godoy Simoes. These partnerships have fostered a creative environment that has led to groundbreaking innovations in their respective fields.
Conclusion
David Ross Crecelius is a notable inventor whose work in ignition systems and motor control has made a lasting impact on technology. His patents reflect a commitment to innovation and excellence in engineering.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.