For the Inventor, By the Inventor

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Clarinda, IA, United States of America

Lisle Corporation

USPTO Granted Patents = 178

% Expired Patents = 24.2

Trademarks = 13

Forward Citations = 1,926

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81 inventors (with patents filed for the assignee):

Randall J Ploeger (37 out of 37 patents)

James L Pool (32 out of 32 patents)

Michael L Whitehead (23 out of 23 patents)

4. Kevin L Tally (21 out of 24 patents)

5. Scotty R Kurtz (16 out of 16 patents)

6. Danny L Williams (13 out of 13 patents)

7. Joel A Negus (11 out of 12 patents)

8. Marvin C Negley (7 out of 7 patents)

9. John C Lisle (6 out of 6 patents)

10. Merrill R Miller (3 out of 3 patents)

11. Terry K Robins (2 out of 16 patents)

12. Christopher Watson (2 out of 2 patents)

13. Luiz Correa Neto (2 out of 2 patents)

14. Vincent J Urick (2 out of 2 patents)

15. Jason C Jantzer (2 out of 2 patents)

Core Competencies:

Oil Funnel

Brake Pad Spreader

Fuel Line Disconnect

Impact Socket

Tool Kit

Seized Fastener

Pliers Rack

Vehicle Crankcase

Hose Clamp

Universal Wrench

Oxygen Sensor

LED Flashlight

178 patents: Sort by Forward Citations

1. 12358107 - Hub remover tool (2025-07-15),

2. 11808403 - Magnetic funnel holder (2023-11-07),

3. 11117246 - Truck anchor pin bushing driver (2021-09-14),

4. 10450180 - Multi-application oil funnel construction for refilling crankcases through a filling port (2019-10-22),

5. D861053 - Adapter for connecting a funnel to filling port of a vehicle crankcase (2019-09-24),

6. 10307895 - Extended impact socket construction (2019-06-04),

7. D828752 - Adapter for connecting a funnel to filling port of a vehicle crankcase (2018-09-18),

8. D828751 - Adapter for connecting a funnel to filling port of a vehicle crankcase (2018-09-18),

9. 10040176 - Extended impact socket construction (2018-08-07),

10. 9970965 - Direct current digital voltage display and polarity circuit tester (2018-05-15),

11. 9928938 - Parasitic battery drain test assembly for multiple component vehicle circuitry analysis (2018-03-27),

12. D811841 - Fuel line disconnect pliers (2018-03-06),

13. D811303 - Adapter for connecting a funnel to filling port of a vehicle radiator (2018-02-27),

14. D804945 - Adapter for connecting a funnel to filling port of a vehicle crankcase (2017-12-12),

15. D803050 - Adapter for connecting a funnel to filling port of a vehicle crankcase (2017-11-21),

Lisle Corporation is a manufacturing company that specializes in automotive tools and equipment. With over 100 years of experience, Lisle has become a trusted name in the automotive industry. They offer a wide range of high-quality products including specialty tools, testers, lubrication and fuel system tools, and much more. Lisle Corporation is committed to providing innovative solutions to meet the needs of professional mechanics and do-it-yourself enthusiasts alike.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Lisle Corporation

178 Patents

#1 in Clarinda, IA

#13 in Iowa

#2,268 in US

#4,673 in the World

Clarinda, IA, United States of America

Lisle Corporation

Forward Citations = 1,926

81 inventors:

Randall J Ploeger (37 out of 37 patents)

James L Pool (32 out of 32 patents)

Michael L Whitehead (23 out of 23 patents)

4. Kevin L Tally (21 out of 24 patents)

5. Scotty R Kurtz (16 out of 16 patents)

Please report any incorrect information to [email protected]

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