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For the Inventor, By the Inventor

South Bend, IN, United States of America

John E Steer

This inventor holds 18 USPTO granted patents, primarily in Brake Systems. Top assignees: Alliedsignal Inc., Allied Corporation, The Bendix Corporation. Active years: 1980-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John E Steer. Retrieved from https://idiyas.com/inventor/john-e-steer

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

Calculating rank
USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 1.4

ph-index = 7

Forward Citations = 132(Granted Patents)


Location History:

  • South Bend, IN (US) (1980 - 1994)
  • Forest, VA (US) (1994)

Company Filing History:

goldMedal10 out of 3,002 
 
Alliedsignal Inc.
 patents
silverMedal5 out of 1,393 
 
Allied Corporation
 patents
bronzeMedal3 out of 1,173 
 
The Bendix Corporation
 patents

Years Active: 1980-1994

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Areas of Expertise:
Brake Booster
Master Cylinder
Proportioning Valve
Pressure-Balanced
Tandem Pistons
Fast Fill Valving
Unitary Poppet Valve
Fluid Level Indicator
Reservoir Cover
Quick-Fill Chamber
Seal Means
Partition
18 patents (USPTO):Explore Patents
1. D347415 - Front partition for a tandem brake booster (1994-05-31),
2. D346576 - Rear partition for a tandem brake booster (1994-05-03),
3. 5076142 - Brake booster with tandem pistons having annular and radial reinforcing (1991-12-31),
4. 5007239 - Master cylinder with sandwiched communication interfaces (1991-04-16),
5. 4908522 - Pressure-balanced proportioning valve with vent-controlled bypass (1990-03-13),
6. 4903387 - Method for making a proportioning valve having a unitary poppet valve (1990-02-27),
7. 4860541 - Two stage relief valve for master cylinder quick-fill chamber (1989-08-29),
8. 4821519 - Primary pressure-balanced proportioning valve (1989-04-18),
9. 4790138 - Master cylinder fast fill valving mechanism with ramp (1988-12-13),
10. 4785847 - Unitary poppet valve assembly for a proportioning valve (1988-11-22),
11. 4718234 - Fast fill valving mechanism for a master cylinder (1988-01-12),
12. 4685300 - Seal means for a master cylinder (1987-08-11),
13. 4630443 - Reservoir for a master cylinder (1986-12-23),
14. 4559781 - Master cylinder (1985-12-24),
15. 4510753 - Master cylinder (1985-04-16),

Title: John E Steer - Pioneering Inventor from South Bend

Introduction: John E Steer is a renowned inventor hailing from South Bend, Indiana. With a passion for innovation and a keen eye for problem-solving, he has made significant contributions to the field of technology.

Latest Patents: John E Steer holds several patents in various industries, including telecommunications, automotive, and renewable energy. His most recent patents focus on sustainable energy solutions and smart transportation systems.

Career Highlights: Throughout his career, John E Steer has worked with leading tech companies to develop cutting-edge technologies. His innovative approach has led to the creation of groundbreaking products that have revolutionized the way we live and work.

Collaborations: John E Steer has collaborated with top researchers, engineers, and designers to bring his ideas to life. His ability to work effectively in multidisciplinary teams has resulted in the successful implementation of his inventions.

Conclusion: John E Steer's dedication to innovation and his relentless pursuit of excellence have established him as a trailblazer in the world of technology. His work continues to inspire future generations of inventors and engineers.

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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