Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David E. Leger — 9 Patents

LELoop Energy: 4 patents #5 of 6Top 85%
Chilliwack, CA: #9 of 97 inventorsTop 10%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
David E. Leger has been granted 9 US patents while listed as an inventor at Loop Energy. The first was granted in 1999 and the most recent in November 2022. David E. Leger ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list David E. Leger in Chilliwack, BC, CA.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
11489175 Fuel cell flow channels and flow fields Greg John Montie 2022-11-01
10734661 Fuel cell components, stacks and modular fuel cell systems Matthew Paul Paone, Greg John Montie, Sean M. MacKinnon, Raoul Jacob Kingma 2020-08-04
10686199 Fuel cell flow channels and flow fields Greg John Montie 2020-06-16
10062913 Fuel cell components, stacks and modular fuel cell systems Matthew Paul Paone, Greg John Montie, Sean M. MacKinnon, Raoul Jacob Kingma 2018-08-28
7838169 Fuel cell cathode flow field Greg John Montie, Rodney Bruce Redlich 2010-11-23
6686082 Fuel cell stack Shane Black, Mark Chesley Mc Donald 2004-02-03
6664693 Fuel cell powered electrical motor Shane Black, Mark Chesley Mc Donald 2003-12-16
6017053 Folding wheelbarrow Mark McDonald, David Roberts 2000-01-25
5908202 Folding wheelbarrow Mark McDonald, David Roberts 1999-06-01