Location History:
- Pittsburgh, PA (US) (1978 - 1980)
- Bradock Hills, PA (US) (1981)
- Braddock Hills, PA (US) (1981 - 1988)
- Murrysville, PA (US) (1990 - 2005)
Company Filing History:
13 out of 8,033 
1 out of 26 
Years Active: 1978-2005
Title: **Raymond M Calfo: Innovator in Motor Technology and Protection Circuits**
Introduction
Raymond M Calfo, based in Pittsburgh, PA, is a prominent inventor with a remarkable portfolio of 14 patents. His work has significantly influenced advancements in motor technology and electrical protection systems. Calfo's innovative approaches demonstrate a deep understanding of both magnetic systems and electronic circuit protections that enhance efficiency and reliability.
Latest Patents
Among Calfo's latest contributions, two patents stand out for their technological advancements. The first is the **Trapezoidal Shaped Magnet Flux Intensifier Motor Pole Arrangement for Improved Motor Torque Density**. This patent introduces a permanent magnet synchronous machine designed to enhance torque and power characteristics. The patented trapezoidal permanent magnet structure alternates with magnetic pole pieces to maximize the intensity of the magnetic field in the rotor, all while maintaining the size and weight of conventional motors.
The second notable patent is the **Brushless Exciter Protection Circuit**. This invention provides an innovative protection circuit for brushless excitation systems, directly monitoring the output voltage of the diode bridge rectifier. It includes a reference signal generator that tracks the system’s DC output voltage, utilizing a comparator to determine if the voltage remains within an acceptable tolerance band. This mechanism activates trip circuitry to protect the system in case of discrepancies, ensuring reliable operation.
Career Highlights
Raymond Calfo has had a commendable career, contributing his expertise to pioneering companies such as Westinghouse Electric Corporation and Curtiss-Wright Electro-Mechanical Corporation. His experience in these renowned organizations has further solidified his standing as an expert in his field, allowing him to develop his innovative ideas into viable technologies.
Collaborations
Throughout his professional journey, Calfo has collaborated with notable individuals including Arthur Mulach and George F. Dailey. These partnerships have fostered an environment of shared knowledge and skills, leading to breakthroughs in electrical engineering and motor design.
Conclusion
Raymond M Calfo continues to be a significant figure in the realm of innovations, with a keen focus on enhancing motor efficiency and electronic protection systems. His patents reflect a commitment to pushing the boundaries of technology, making substantial contributions that benefit both industries and consumers alike. As technology evolves, inventors like Calfo remain at the forefront, shaping the future of electrical and mechanical 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.