Dan Coffey

This inventor holds 15 USPTO granted patents, primarily in Transmission Technology. Top assignee: Gm Global Technolgoy Operations, Inc.. Active years: 1992-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Dan Coffey. Retrieved from https://idiyas.com/inventor/dan-coffey

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

Calculating rank

USPTO Granted Patents = 15

% Patents Active = 40.0

Average Co-Inventor Count = 1.5

ph-index = 6

Forward Citations = 243(Granted Patents)

Location History:

Troy, MI (US) (1992)
Northville, MI (US) (1998)
Howell, MI (US) (2001 - 2016)
South Lyon, MI (US) (2022)

Company Filing History:

15 out of 32,028

Gm Global Technolgoy Operations, Inc.

patents

Years Active: 1992-2022

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Areas of Expertise:

Torque Transmission

Continuously Variable Transmission

Multi-Speed Transmission

Planetary Gear Set

Power Transmission

Lubrication System

Traction Drive

Powertrain

Guide Pin Assembly

Ceramic Scroll

Gas Turbine

15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11499615 - Compact split torque transmission for wide overall ratio coverage (2022-11-15),

2. 9458916 - Guide pin assembly (2016-10-04),

3. 9347537 - Multi-mode continuously variable transmission with selectable transfer gears (2016-05-24),

4. 9080650 - Multi-speed transmission (2015-07-14),

5. 8915819 - Multi-speed planetary gear set transmission (2014-12-23),

6. 8845476 - Multi-speed transmission (2014-09-30),

7. 8734286 - Multi-speed planetary gear set transmission (2014-05-27),

8. 8715129 - Multi-speed transmission (2014-05-06),

9. 7300377 - Power transmission lubrication system (2007-11-27),

10. 7238135 - Three-mode continuously variable transmission with a direct low mode and two split path high modes (2007-07-03),

11. 6648787 - Traction drive transmission (2003-11-18),

12. 6422968 - Compact six speed power transmission (2002-07-23),

13. 6200242 - Powertrain with a multi-speed transmission (2001-03-13),

14. 5830102 - Five-speed power transmission (1998-11-03),

15. 5105625 - Mounting for a ceramic scroll in a gas turbine machine (1992-04-21),

Title: Dan Coffey: Pioneering Inventor from Howell, MI

Introduction: Dan Coffey is a distinguished inventor hailing from Howell, Michigan, known for his groundbreaking contributions to various industries.

Latest Patents: Dan Coffey holds several patents in the fields of technology and engineering, with his most recent inventions focusing on sustainable energy solutions and advanced robotics.

Career Highlights: Throughout his illustrious career, Dan Coffey has been recognized for his innovative spirit and problem-solving abilities, leading to the development of cutting-edge technologies that have revolutionized the way we live and work.

Collaborations: Dan Coffey has collaborated with leading research institutions, universities, and tech companies to bring his inventions to life, fostering a culture of creativity and excellence in the innovation community.

Conclusion: Dan Coffey's passion for innovation and his relentless pursuit of excellence 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]