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

David A. Hein — 2 Patents in 2017

LELear: 2 patents #20 of 134Top 15%
Sterling Heights, MI: #15 of 130 inventorsTop 15%
Michigan: #1,726 of 9,630 inventorsTop 20%
Overall (2017): #160,319 of 506,227Top 35%
2 Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9821671 Wall plug system for electric vehicle Mark Anthony Mueller, David Menzies, Reinhard Pusch, Mary Mueller 2017-11-21 $26,011,000
9662987 Method and apparatus for detecting the existence of a safety ground Ahmad Khalifeh 2017-05-30 $18,999,000