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For the Inventor, By the Inventor

Bloomfield Hills, MI, United States of America

Leo J LeBlanc

This inventor holds 11 USPTO granted patents. Top assignees: Ebw, Inc., Enterprise Brass Works, Erw, Inc.. Active years: 1980-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leo J LeBlanc. Retrieved from https://idiyas.com/inventor/leo-j-leblanc

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 7

Forward Citations = 182(Granted Patents)


Location History:

  • Bloomfield, MI (US) (1992)
  • Bloomfield Hills, MI (US) (1980 - 1993)

Company Filing History:

goldMedal6 out of 17 
 
Ebw, Inc.
 patents
silverMedal2 out of 6 
 
Enterprise Brass Works
 patents
bronzeMedal1 out of 1 
 
Erw, Inc.
 patent
4. 2 out of 834,453 
Other
 patents

Years Active: 1980-1993

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11 patents (USPTO):Explore Patents
1. 5201151 - Manhole rim and cover assembly (1993-04-13),
2. 5160064 - Fuel containment cover assembly (1992-11-03),
3. 5158260 - Vapor vent valve (1992-10-27),
4. 5141019 - Two stage automatic shutoff valve (1992-08-25),
5. 5135024 - Roll over pressure relief valve (1992-08-04),
6. 5095937 - Two stage automatic shut off valve (1992-03-17),
7. 5072912 - Vapor vent valve (1991-12-17),
8. 5033519 - Storage tank flow control valve (1991-07-23),
9. 4793387 - Overfill spillage protection device (1988-12-27),
10. 4646773 - Breakaway hose coupling (1987-03-03),
11. 4203482 - Process for producing core or mold parts from sand (1980-05-20),

Title: Innovations of Leo J LeBlanc

Introduction

Leo J LeBlanc is a notable inventor based in Bloomfield Hills, MI (US), recognized for his contributions to various engineering solutions. With a total of 11 patents to his name, LeBlanc has made significant advancements in the field of manhole and fuel containment systems. His innovative designs reflect a commitment to improving safety and functionality in urban infrastructure.

Latest Patents

Among his latest patents, the "Manhole Rim and Cover Assembly" stands out. This invention features a rim with an annular upwardly projecting lip and a shoulder that prevents the crushing of a sealing gasket. The design includes vent openings to allow for proper ventilation when the cover is in place. Another significant patent is the "Fuel Containment Cover Assembly," which comprises a fiberglass skirt with cast iron inserts. This assembly is designed to manage water flow and seal the fuel containment device from the atmosphere effectively.

Career Highlights

Throughout his career, Leo J LeBlanc has worked with several companies, including Ebw, Inc. and Enterprise Brass Works. His experience in these organizations has contributed to his expertise in developing innovative solutions for complex engineering challenges.

Collaborations

LeBlanc has collaborated with notable individuals in his field, including Bruce R Johnson and Elmer P Klop. These partnerships have likely enhanced his creative process and led to the development of his patented inventions.

Conclusion

Leo J LeBlanc's contributions to the field of engineering through his patents demonstrate his innovative spirit and dedication to improving urban infrastructure. His work continues to influence the industry and inspire future inventors.

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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