Johannesburg, South Africa

Willis R Smith

This inventor holds 3 USPTO granted patents. Top assignee: General Signal Corporation. Active years: 1976.


% Patents Active = 100.0

Average Co-Inventor Count = 2.3

ph-index = 3

Forward Citations = 20(Granted Patents)


Location History:

  • Rochester, NY (US) (1976)
  • Johannesburg, ZA (1976)

Company Filing History:


Years Active: 1976

Loading Chart...
3 patents (USPTO):Explore Patents

Title: Innovations by Willis R. Smith

Introduction

Willis R. Smith is a notable inventor based in Johannesburg, South Africa. He has made significant contributions to vehicle control systems and railroad technology. With a total of 3 patents, his work reflects a commitment to advancing engineering solutions.

Latest Patents

One of his latest patents is the "Magnetically Actuated Registration Circuitry for a Vehicle Control System." This innovative control system operates vehicles over a right-of-way divided into multiple zones, selecting the direction of traffic. The system senses the presence of a vehicle entering a zone and registers its occupancy. The registration is indicated by a magnetically actuated switch, which controls restrictive aspects based on the number of zones behind the leading vehicle relative to the selected direction of traffic.

Another significant patent is the "Dual Frequency Track Circuit." This invention features a double rail track circuit designed for use within a railroad block or each cut section of a block. The system includes insulated rail joints separating adjacent cut sections. A transmission line with accessible terminals at each joint is provided, which has a modulated carrier signal to create a reference signal at the modulation frequency. This design minimizes interference from inductive coupling, enhancing the reliability of the system.

Career Highlights

Willis R. Smith has worked with General Signal Corporation, where he has applied his expertise in developing innovative technologies. His contributions have played a crucial role in improving vehicle control and railroad systems.

Collaborations

Some of his notable coworkers include John H. Auer, Jr. and Henry C. Sibley. Their collaboration has likely fostered an environment of innovation and creativity within their projects.

Conclusion

Willis R. Smith's inventions demonstrate his dedication to enhancing vehicle and railroad technologies. His patents reflect a deep understanding of engineering principles and a commitment to innovation.

Profile summary based on public USPTO records.
Please report any incorrect information to [email protected]
Loading…