Washington, IL, United States of America

Robert J Purcell

This inventor holds 21 USPTO granted patents, plus 2 CIPO patents and 2 EPO patents, primarily in Vehicle Suspension Systems. Top assignees: Caterpillar Inc., Caterpillar Tractor Co., Other. Active years: 1976-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Robert J Purcell. Retrieved from https://idiyas.com/inventor/robert-j-purcell

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

USPTO Granted Patents = 21

% Patents Active = 100.0

CIPO Patents = 2

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 1.6

ph-index = 11

Forward Citations = 313(Granted Patents)

Company Filing History:

Caterpillar Tractor Co.

patents

1 out of 834,513

Other

patents

Years Active: 1976-1996

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Areas of Expertise:

Endless Track Transporter

Resilient Wheels

Guide Rollers

Hydraulic Control

Belted Undercarriage

Suspension Mechanism

Track Recoil

Piston Stop Assembly

Sprocket Profile

Multidirectional Suspension

Flexible Drive Belt

Reinforcing Rings

21 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5484248 - Endless track transporter for semi-trailers (1996-01-16),

2. 5462345 - Resilient wheels with reinforcing rings (1995-10-31),

3. 5433515 - Guide rollers for flexible drive belt (1995-07-18),

4. 5334106 - Hydraulic recoil and belt tension control system (1994-08-02),

5. 5191951 - Belted undercarriage assembly (1993-03-09),

6. 5046565 - Blade and linkage mechanism with downdraft control (1991-09-10),

7. 4967850 - Combined tooth retractor and blade latching mechanism (1990-11-06),

8. 4923257 - Belted vehicle suspension system (1990-05-08),

9. 4896586 - Piston stop assembly (1990-01-30),

10. 4881609 - Suspension mechanism for a track-type vehicle (1989-11-21),

11. 4874052 - Suspension system for a vehicle (1989-10-17),

12. 4854650 - Track recoil and tensioning mechanism (1989-08-08),

13. 4819999 - End face seal assembly (1989-04-11),

14. 4819754 - Multiple mode vehicle suspension system (1989-04-11),

15. 4817746 - Suspension mechanism for a track-type vehicle (1989-04-04),

Title: The Innovative Journey of Robert J Purcell

Introduction: Robert J Purcell, a distinguished inventor hailing from Washington, IL, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Robert J Purcell's latest patents showcase his commitment to pushing the boundaries of technological advancement, with a focus on improving efficiency and functionality in various industries.

Career Highlights: Throughout his illustrious career, Robert J Purcell has been recognized for his ingenuity and forward-thinking approach. His inventions have revolutionized processes in sectors such as manufacturing, healthcare, and telecommunications.

Collaborations: Robert J Purcell has collaborated with leading industry experts, research institutions, and universities to further enhance his inventions. These partnerships have led to the development of cutting-edge technologies that have had a lasting impact on society.

Conclusion: Robert J Purcell's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of inventions. His remarkable contributions continue to inspire future generations of inventors to think outside the box and create solutions that shape the world we live in.

Profile summary based on public USPTO records.