Location History:
- Woodhaven, MI (US) (1986)
- Apache Junction, AZ (US) (1992 - 1993)
Company Filing History:
2 out of 290 
1 out of 10,654 
Years Active: 1986-1993
Title: The Innovative Contributions of Ronald C Nonnenmacher
Introduction
Ronald C Nonnenmacher is a notable inventor based in Apache Junction, AZ (US). He has made significant contributions to the field of electrical engineering, particularly in the development of variable power resistors. With a total of 3 patents to his name, Nonnenmacher's work showcases his dedication to innovation and technology.
Latest Patents
One of Nonnenmacher's latest patents is a method of making a variable power resistor. This invention includes a heat sink with a front face and a back face, featuring an electrically insulating, thermally conductive ceramic coating bonded directly onto the front face. This ceramic coating is in direct thermal contact with the heat sink, enhancing its performance. The design incorporates a plurality of discrete thick film conductive circuit pads positioned on the ceramic coating, along with a thick film resistive layer that connects the pads in series. Additionally, the variable power resistor includes a moveable contactor that can contact the circuit pads to vary the resistance, along with an electrical connection to an electrical circuit. The ceramic coating may be plasma sprayed onto the heat sink, while the resistive circuit can be screen printed onto the ceramic coating.
Career Highlights
Throughout his career, Ronald C Nonnenmacher has worked with prominent companies such as United Technologies Automotive Inc. and United Technologies Corporation. His experience in these organizations has contributed to his expertise in the field and has allowed him to develop innovative solutions in electrical engineering.
Collaborations
Nonnenmacher has collaborated with several professionals in his field, including Kathleen Schulz and Richard C Lewis. These collaborations have likely enriched his work and contributed to the success of his inventions.
Conclusion
Ronald C Nonnenmacher's contributions to the field of electrical engineering, particularly through his patents on variable power resistors, highlight his innovative spirit and technical expertise. His work continues to influence the industry and showcases the importance of creativity in engineering.