Lonnie E Holder

This inventor holds 57 USPTO granted patents, primarily in Hydraulic Systems (CPC class F16D). Top assignees: Hydro-Gear Limited Partnership, Other. Active years: 2000-2015.

USPTO Granted Patents = 57

% Patents Active = 71.9

Average Co-Inventor Count = 2.5

ph-index = 13

Forward Citations = 680(Granted Patents)

Forward Citations (Not Self Cited) = 588(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Sullivan, IL (US) (2000 - 2013)
Columbus, IN (US) (2012 - 2015)
Reston, VA (US) (2015)

Company Filing History:

56 out of 544

Hydro-Gear Limited Partnership

patents

1 out of 834,307

Other

patents

Years Active: 2000-2015

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Areas of Expertise:

Dual Pump

Zero Turn Drive

Hydrostatic Transmission

Electronic Control

Pump Apparatus

Transmission Sensor

Drive Control System

Vehicle Direction Sensing

Actuation Mechanism

Bypass Hydraulic Device

Tandem Pump

Neutral Start Switch

57 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9181958 - Fan shroud for pump (2015-11-10),

2. 9126579 - Vehicle drive and control system (2015-09-08),

3. 9050880 - Zero turn drive apparatus and vehicle (2015-06-09),

4. 8858198 - Fan shroud for pump (2014-10-14),

5. 8585534 - Vehicle drive and control system (2013-11-19),

6. 8443598 - Zero turn drive apparatus (2013-05-21),

7. 8327639 - Zero turn drive apparatus (2012-12-11),

8. 8272315 - Dual pump (2012-09-25),

9. 8226519 - Vehicle drive and control system (2012-07-24),

10. 7984662 - Vehicle direction sensing mechanism (2011-07-26),

11. 7900447 - Zero turn drive apparatus (2011-03-08),

12. 7806667 - Dual pump (2010-10-05),

13. 7566207 - Dual pump transmission (2009-07-28),

14. 7536857 - Zero turn drive apparatus (2009-05-26),

15. 7513113 - System and method for electronic actuation of axle driving apparatus (2009-04-07),

Title: Lonnie E Holder - Pioneering Inventor from Sullivan, IL

Introduction: Lonnie E Holder is a distinguished inventor hailing from Sullivan, IL, known for his groundbreaking contributions to the field of innovations and patents.

Latest Patents: Lonnie E Holder holds several patents in various industries, showcasing his versatility and ingenuity in inventing new technologies to solve complex problems.

Career Highlights: Throughout his illustrious career, Lonnie E Holder has consistently pushed the boundaries of what is possible through his innovative ideas and relentless pursuit of excellence in the world of inventions.

Collaborations: Lonnie E Holder has collaborated with leading companies, research institutions, and universities to bring his inventions to life, demonstrating his ability to work effectively in multidisciplinary teams.

Conclusion: Lonnie E Holder's impact on the world of inventions and patents is truly remarkable, and his legacy as a pioneering inventor from Sullivan, IL, will continue to inspire future generations of innovators.