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For the Inventor, By the Inventor

Knoxville, TN, United States of America

Marvin P Weaver

This inventor holds 7 USPTO granted patents. Top assignee: Robertshaw Controls Company. Active years: 1978-1986.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Marvin P Weaver. Retrieved from https://idiyas.com/inventor/marvin-p-weaver

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 1.2

ph-index = 5

Forward Citations = 40(Granted Patents)


Location History:

  • Knoxville, TN (US) (1978 - 1984)
  • Knox County, TN (US) (1986)

Company Filing History:

goldMedal7 out of 878 
 
Robertshaw Controls Company
 patents

Years Active: 1978-1986

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7 patents (USPTO):Explore Patents
1. 4625703 - Crankcase ventilating system, flow control device therefor and method of (1986-12-02),
2. 4458710 - Method of making a valve construction having multiple pistons (1984-07-10),
3. 4425941 - Valve construction having multiple piston means and method of making the (1984-01-17),
4. 4380251 - Valve construction having multiple piston means and method of making the (1983-04-19),
5. 4301586 - Method of making a valve construction having multiple piston means (1981-11-24),
6. 4228817 - Valve construction having multiple piston means (1980-10-21),
7. 4099706 - Valve construction and method of making the same (1978-07-11),

Title: Marvin P. Weaver: Innovator in Crankcase Ventilation Systems

Introduction

Marvin P. Weaver is a notable inventor based in Knoxville, TN (US). He has made significant contributions to the field of engineering, particularly in the development of crankcase ventilation systems. With a total of 7 patents to his name, Weaver's innovations have had a lasting impact on internal combustion engine technology.

Latest Patents

Weaver's latest patents include a crankcase ventilating system and a flow control device. This innovative system is designed for internal combustion engines and features a valve housing with an inlet and an outlet. The system includes an annular valve seat positioned between the inlet and outlet, along with a movable valve member that controls fluid flow. The design incorporates a spring mechanism to maintain optimal performance and prevent vibration during operation. Another significant patent involves a method of making a valve construction with multiple pistons, which enhances the efficiency and functionality of valve systems.

Career Highlights

Marvin P. Weaver is currently associated with Robertshaw Controls Company, where he continues to apply his expertise in engineering and innovation. His work has contributed to advancements in various technologies, particularly in the automotive sector.

Collaborations

Weaver has collaborated with notable colleagues such as James A. Otto and Everett T. Steele, Jr. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Marvin P. Weaver's contributions to crankcase ventilation systems and valve technology exemplify his innovative spirit and dedication to engineering excellence. His work continues to influence the industry and inspire future advancements.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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