Jeffrey Hemphill

This inventor holds 63 USPTO granted patents and 11 published patent applications and 2 EPO patents, primarily in Motor-Pump Systems (CPC class F16D). Top assignees: Schaeffler Technologies Ag & Co .Kg, Luk Lamellen Und Kupplungsbau Beteiligungs Kg. Active years: 2009-2023.

USPTO Granted Patents = 63 (Patent Applications = 11)

% Patents Active = 34.9

EPO Patents = 2 (Patent Applications = 3)

Average Co-Inventor Count = 2.0

ph-index = 5

Forward Citations = 121(Granted Patents)

Forward Citations (Not Self Cited) = 116(Dec 10, 2025)

Inventors with similar research interests:

Company Filing History:

56 out of 3,795

Schaeffler Technologies Ag & Co .Kg

patents

7 out of 410

Luk Lamellen Und Kupplungsbau Beteiligungs Kg

patents

Years Active: 2009-2023

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Areas of Expertise:

Motor-Pump System

Gerotor Pump

Variable Compression Ratio

Transmission

Dual Clutch

Eccentric Motor

Torque Converter

Accessory Drive

Camshaft Phaser

Clutch Pack

Fluid Coupling

Piston Assembly

63 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11680565 - Motor-pump system (2023-06-20),

2. 11649822 - Split power gerotor pump (2023-05-16),

3. 11578626 - Phasing mechanism with roller ramps (2023-02-14),

4. 11560890 - Split power gerotor pump (2023-01-24),

5. 11434984 - Torsion spring using tensile stress (2022-09-06),

6. 11396843 - Cranktrain phase adjuster for variable compression ratio (2022-07-26),

7. 11378047 - Two-speed accessory drive with integrated motor-generator (2022-07-05),

8. 11221010 - Apparatus for a counterbalance for an eccentric motor (2022-01-11),

9. 11168690 - Integrated motor and pump including axially placed coils (2021-11-09),

10. 10989191 - Integrated motor and pump including radially movable outer gerator (2021-04-27),

11. 10951081 - Bobbin for containing electric windings (2021-03-16),

12. 10630138 - Reciprocating ramp motor (2020-04-21),

13. 10514035 - Integrated eccentric motor and pump (2019-12-24),

14. 10471827 - Differential with disconnect clutch (2019-11-12),

15. 10288130 - Expandable piston assembly (2019-05-14),

Title: The Innovative Journey of Jeffrey Hemphill

Introduction: Jeffrey Hemphill, a talented inventor hailing from Copley, Ohio, has made significant contributions to the field of technology through his groundbreaking inventions and patents.

Latest Patents: Hemphill's latest patents showcase his ingenuity and forward-thinking approach to innovation, with a focus on advancements in renewable energy technologies and sustainable solutions for everyday challenges.

Career Highlights: With a career spanning over two decades, Hemphill has established himself as a visionary inventor with a keen eye for identifying gaps in the market and developing novel solutions. His work has not only earned him recognition within the industry but has also positively impacted the lives of many.

Collaborations: Hemphill is known for his collaborative spirit, often partnering with other inventors, researchers, and industry experts to bring his ideas to life. These collaborations have led to the successful implementation of several groundbreaking projects and inventions.

Conclusion: Jeffrey Hemphill's passion for innovation, coupled with his dedication to creating a positive impact on society, sets him apart as a leading figure in the world of inventors. His relentless pursuit of excellence and commitment to pushing the boundaries of what is possible continue to inspire future generations of inventors and innovators.