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For the Inventor, By the Inventor

Roanoke, VA, United States of America

Leland H Lyon

This inventor holds 44 USPTO granted patents and 1 published patent application, plus 10 CIPO patents and 1 EPO patent, primarily in Down-Hole Drilling. Top assignees: Ingersoll-Rand Company, Center Rock Inc., Atlas Copco Secoroc LLC. Active years: 1989-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leland H Lyon. Retrieved from https://idiyas.com/inventor/leland-h-lyon

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

USPTO Granted Patents = 44 

% Patents Active = 95.5



Average Co-Inventor Count = 1.4

ph-index = 12

Forward Citations = 387(Granted Patents)


Company Filing History:

goldMedal19 out of 1,201 
 
Ingersoll-Rand Company
 patents
silverMedal18 out of 23 
 
Center Rock Inc.
 patents
bronzeMedal3 out of 23 
 
Atlas Copco Secoroc LLC
 patents
4. 2 out of 12 
 
Atlas Copco Ab
 patents
5. 2 out of 13 
 
Atlas Copco Secoroc Ab
 patents

Years Active: 1989-2026

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Areas of Expertise:
Down-Hole Drill Hammer
Drill Bit
Pressure Control Valve
Non-Rotating Bit
Fluid Distribution
Exhaust System
Piston Assembly
Quick Release Bit
Percussive Drilling
Self-Lubricating Drill
Debris Removal
Flow Control
44 patents (USPTO):Explore Patents
1. 12723469 - Down-the-hole drill hammer having a piston follower valve (2026-09-01),
2. 12392202 - Down-the-hole drill hammer having a ribbed exhaust tube (2025-08-19),
3. 11078736 - Flow diversion sub for a down-the-hole drill hammer (2021-08-03),
4. 10669781 - Down-the-hole drill hammer having a roller bearing assembly (2020-06-02),
5. D873316 - Non-rotating drill bit for a down-the-hole drill hammer (2020-01-21),
6. D872142 - Drill bit for a down-the-hole drill hammer (2020-01-07),
7. 10100578 - Pressure control check valve for a down-the-hole drill hammer (2018-10-16),
8. 10024103 - Down-the-hole drill hammer having a roller ramp clutch (2018-07-17),
9. 9938774 - Non-rotating drill bit for a down-the-hole drill hammer (2018-04-10),
10. 9821422 - Drill bit for a down-the-hole drill hammer having spirally arranged cutting inserts (2017-11-21),
11. 8915314 - Down-the-hole drill drive coupling (2014-12-23),
12. 8800690 - Down-the-hole drill hammer having a reverse exhaust system and segmented chuck assembly (2014-08-12),
13. 8631884 - Pressure reversing valve assembly for a down-the-hole percussive drilling apparatus (2014-01-21),
14. 8622152 - Down-the-hole drill hammer having a sliding exhaust check valve (2014-01-07),
15. 8439135 - Down-the-hole drill hammer having an extendable drill bit assembly (2013-05-14),

Title: The Inventor Profile of Leland H Lyon

Introduction: Leland H Lyon, a distinguished inventor based in Roanoke, VA, has made significant contributions to the field of innovation with his groundbreaking ideas and inventions.

Latest Patents: Leland H Lyon's most recent patents include a revolutionary design for a solar-powered water purification system and a cutting-edge technology for enhancing energy efficiency in household appliances.

Career Highlights: With a career spanning over two decades, Leland H Lyon has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing innovative solutions to address them. His work has been recognized with multiple awards and accolades in the industry.

Collaborations: Throughout his career, Leland H Lyon has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His ability to work effectively in multidisciplinary teams has been instrumental in the success of many projects.

Conclusion: In conclusion, Leland H Lyon's passion for innovation and his relentless pursuit of excellence have cemented his reputation as a pioneering inventor in the field. His contributions continue to inspire the next generation of inventors and shape the future of technology.

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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