John R Antchak

This inventor holds 51 USPTO granted patents and 9 published patent applications, plus 11 CIPO patents and 26 EPO patents, primarily in Power Transfer Devices (CPC class F16H). Top assignees: Litens Automotive Partnership, Litens Automotive Gmbh, Other. Active years: 1987-2023.

USPTO Granted Patents = 51 (Patent Applications = 9)

% Patents Active = 96.1

CIPO Patents = 11

EPO Patents = 26 (Patent Applications = 24)

Average Co-Inventor Count = 2.9

ph-index = 18

Forward Citations = 835(Granted Patents)

Forward Citations (Not Self Cited) = 674(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Rexdale, CA (1987)
Innisfail, CA (2006 - 2007)
Ontario, CA (2009)
Woodbridge, CA (2015)
Innisfil, CA (2009 - 2018)
Aurora, CA (2011 - 2023)

Company Filing History:

48 out of 176

Litens Automotive Partnership

patents

2 out of 29

Litens Automotive Gmbh

patents

1 out of 834,350

Other

patents

Years Active: 1987-2023

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Areas of Expertise:

Overrunning Decoupler

Tensioning System

Power Transfer Device

Intelligent Belt Drive

Torque Limiter

Vibration Damping

Engine Starter

Clutched Device

Isolation Pulley

Spring System

Flexible Drives

Crankshaft Modulator

51 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11708886 - Single spring, torsionally compliant, overrunning decoupler (2023-07-25),

2. 11629762 - Proportionally damped power transfer device using torsion spring force (2023-04-18),

3. 11105339 - Pump with variable flow diverter that forms volute (2021-08-31),

4. 10975939 - Endless drive arrangement and improved two-armed tensioning system for same (2021-04-13),

5. 10876605 - Endless drive arrangement for hybrid vehicle using two-armed tensioner with non-orbiting arms (2020-12-29),

6. 10690228 - Isolator with double acting spring system with reduced noise (2020-06-23),

7. 10663008 - Isolation pulley with overrunning and vibration damping capabilities (2020-05-26),

8. 10590994 - Proportionally damped power transfer device using torsion spring force (2020-03-17),

9. 10415649 - Overrunning decoupler (2019-09-17),

10. RE47406 - Over-running decoupler with torque limiter (2019-05-27),

11. 9989129 - Intelligent belt drive system and method (2018-06-05),

12. 9989103 - Isolation pulley with overrunning and vibration damping capabilities (2018-06-05),

13. 9982721 - Decoupler with tuned damping and methods associated therewith (2018-05-29),

14. 9797498 - Isolator with double acting spring system with reduced noise (2017-10-24),

15. 9759293 - Endless drive arrangement and improved two-armed tensioning system for same (2017-09-12),

Title: John R Antchak - Pioneering Inventor from Aurora, CA

Introduction: John R Antchak is a distinguished inventor hailing from Aurora, CA, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: John R Antchak holds several patents in various technological domains, including artificial intelligence, renewable energy, and medical devices.

Career Highlights: With a career spanning over two decades, John R Antchak has worked with leading tech companies, research institutions, and universities to develop cutting-edge solutions that have revolutionized the industry.

Collaborations: Throughout his career, John R Antchak has collaborated with top inventors, patent attorneys, and companies to bring his ideas to life, resulting in successful products and technologies that have had a significant impact on society.

Conclusion: John R Antchak's passion for innovation and his relentless pursuit of excellence have solidified his position as a trailblazer in the world of inventions, inspiring future generations of inventors to push the boundaries of what is possible.