This inventor holds 13 USPTO granted patents, plus 2 CIPO patents. Top assignees: General Electric Canada, Inc., General Electric Company, Canadian General Electric Company Limited. Active years: 1978-2006.
Company Filing History:
5 out of 45 
4 out of 52,359 
2 out of 94 
Years Active: 1978-2006
Title: The Innovations of Robert Henry Rehder
Introduction
Robert Henry Rehder is a notable inventor based in Peterborough, Canada. He has made significant contributions to the field of electrical engineering, holding a total of 13 patents. His work primarily focuses on advancements in rotary transformers and electrical current collector systems.
Latest Patents
One of Rehder's latest patents is for a high power rotary transformer with a bus duct assembly. This innovative design features a bus duct assembly that extends through the hollow shaft of the rotary transformer. It connects collector or slip rings positioned above a drive motor to the rotor's end windings, which are located farthest from the motor. This configuration ensures that the shaft's strength and integrity remain intact despite the torque applied by the drive motor. The design includes two coupled shaft sections and simplifies the removal of the upper shaft section during field servicing.
Another significant patent involves an electrical current collector cleaning and cooling system for high voltage rotating machines. This system incorporates an electrically conductive slip ring mounted on a rotatable shaft, along with a fixed conducting ring assembly. The design creates a partially enclosed AC high voltage electrical current conductive ring channel. A fluid is directed into the compartment to cool and clean the slip ring contacting members, enhancing the efficiency and longevity of the system.
Career Highlights
Rehder has had a distinguished career, working with prominent companies such as General Electric Canada, Inc. and General Electric Company. His experience in these organizations has allowed him to develop and refine his innovative ideas in electrical engineering.
Collaborations
Throughout his career, Rehder has collaborated with notable individuals, including Richard Kenneth Barton and Melvin George Johnson. These partnerships have contributed to the advancement of his inventions and the development of new technologies.
Conclusion
Robert Henry Rehder's contributions to electrical engineering through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the field and inspire future inventors.