Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
ML

Michael G. Leffert — 6 Patents

General Motors: 6 patents #2,630 of 18,328Top 15%
Howell, MI: #112 of 595 inventorsTop 20%
Michigan: #15,817 of 86,293 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Michael G. Leffert has been granted 6 US patents while listed as an inventor at General Motors. The first was granted in 2013 and the most recent in May 2023. Michael G. Leffert ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Michael G. Leffert in Howell, MI, US.

Patents per Year

Patents granted per year, 2013 to 2023Bar chart with a peak of 2 patents in 2013.peak 22013: 2 patents20132014: 2 patents20142015: 1 patents20152023: 1 patents2023

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11646471 Rechargeable energy storage system high flow thermal vent management system Bradley S. Thomson 2023-05-09 $22,621,000
9062639 Dual inlet air induction system with panel filter for vehicle engine Steven K. Mackenzie, Eric R. Tucker, Kevin J. Dunn, Hugo Figueroa Rosas, John P. Person 2015-06-23 $13,202,000
8833313 Grille airflow shutter system with discrete shutter control Thomas K. Lockwood, Darren L. Bohne, Rajneesh K. Singh, Jason W. Guenzel 2014-09-16 $10,320,000
8662968 Air-based hybrid battery thermal conditioning system Tyler J Pilgeram, Ian L. Hanna, Eric L. Mayberry, Jonathan R. Schwarz 2014-03-04 $10,629,000
8480166 Air ducts for vehicles Michael J. Readwin, Richard E. Bartos, Michael E. Nishek 2013-07-09 $8,226,000
8463493 Powertrain thermal control with grille airflow shutters Thomas K. Lockwood 2013-06-11 $10,089,000